$400 trillion dollars.
Many would begin buying luxuries, and indulgences. The demand of those things would cause the price of those things to increase. Manufacturers would move from making what they do, to making the things in demand, seeing the profitability. But, because the money used is not a representation of one’s labor, the value ofnthe dollar would decrease and inflation would skyrocket. It would be similar to what Germany saw just before Hitler came to power.
Some, instead of being shortsighted, would invest in durable needed goods. Then, when the money runs out, and the splurgers are in need, they will make the government take those needed things from the wise buyers and give to the splurgers in need.
My advice is, when you see give aways become too great, buy enough needed things to survive, then spend like wild before inflation hits.
Invest in the manufacturers of toilet paper.
Nobody can do without it.