Alright, let's work through 41989429 times 83340864 step by step
41989429 × 83340864 = 83340864 × (41989429)
+ 83340864 × 9 yielding 750067776
+ 83340864 × 20 yielding 1666817280
+ 83340864 × 400 that results in 33336345600
+ 83340864 × 9000 what gives us 750067776000
+ 83340864 × 80000 that is equal 6667269120000
+ 83340864 × 900000 that equals 75006777600000
+ 83340864 × 1000000 resulting in 83340864000000
+ 83340864 × 40000000 that is equal 3333634560000000

= 3499435291726656
