Alright, let's work through 40382416 times 17052899 step by step
40382416 × 17052899 = 17052899 × (40382416)
+ 17052899 × 6 giving us 102317394
+ 17052899 × 10 that is equal 170528990
+ 17052899 × 400 giving us 6821159600
+ 17052899 × 2000 which equals 34105798000
+ 17052899 × 80000 that is equal 1364231920000
+ 17052899 × 300000 yielding 5115869700000
+ 17052899 × 0000000 that is equal 0
+ 17052899 × 40000000 that is equal 682115960000000

= 688637261423984
