Alright, let's work through 44089357 times 72540990 step by step
44089357 × 72540990 = 72540990 × (44089357)
+ 72540990 × 7 what gives us 507786930
+ 72540990 × 50 producing 3627049500
+ 72540990 × 300 which equals 21762297000
+ 72540990 × 9000 giving us 652868910000
+ 72540990 × 80000 resulting in 5803279200000
+ 72540990 × 000000 producing 0
+ 72540990 × 4000000 that results in 290163960000000
+ 72540990 × 40000000 producing 2901639600000000

= 3198285605243430
