Alright, let's work through 45838671 times 20080439 step by step
45838671 × 20080439 = 20080439 × (45838671)
+ 20080439 × 1 that equals 20080439
+ 20080439 × 70 which equals 1405630730
+ 20080439 × 600 that results in 12048263400
+ 20080439 × 8000 which equals 160643512000
+ 20080439 × 30000 what gives us 602413170000
+ 20080439 × 800000 giving us 16064351200000
+ 20080439 × 5000000 that is equal 100402195000000
+ 20080439 × 40000000 giving us 803217560000000

= 920460636856569
