# Another cool number-sequence puzzle

The task is to find x. (Source https://free.ultimaiq.net/nse.htm)

123456, x , 93332736, 3359978496

$$2592576$$
To get from one number to the next, it is multiplied by the sum of its digits. So $$123456$$ is multiplied by $$1+2+3+4+5+6=21$$ to get $$2592576$$. This is multiplied by $$2+5+9+2+5+7+6=36$$ to get the next number $$93332736$$, and so on.