Alright, let's work through 45722421 times 40509544 step by step
45722421 × 40509544 = 40509544 × (45722421)
+ 40509544 × 1 yielding 40509544
+ 40509544 × 20 that is equal 810190880
+ 40509544 × 400 that is equal 16203817600
+ 40509544 × 2000 producing 81019088000
+ 40509544 × 20000 that results in 810190880000
+ 40509544 × 700000 what gives us 28356680800000
+ 40509544 × 5000000 that results in 202547720000000
+ 40509544 × 40000000 which equals 1620381760000000

= 1852194425286024
