Alright, let's work through 42085565 times 1072290 step by step
42085565 × 1072290 = 1072290 × (42085565)
+ 1072290 × 5 that results in 5361450
+ 1072290 × 60 resulting in 64337400
+ 1072290 × 500 giving us 536145000
+ 1072290 × 5000 resulting in 5361450000
+ 1072290 × 80000 resulting in 85783200000
+ 1072290 × 000000 producing 0
+ 1072290 × 2000000 producing 2144580000000
+ 1072290 × 40000000 that is equal 42891600000000

= 45127930493850
