Alright, let's work through 40403676 times 75557072 step by step
40403676 × 75557072 = 75557072 × (40403676)
+ 75557072 × 6 that is equal 453342432
+ 75557072 × 70 that results in 5288995040
+ 75557072 × 600 which equals 45334243200
+ 75557072 × 3000 what gives us 226671216000
+ 75557072 × 00000 that is equal 0
+ 75557072 × 400000 that is equal 30222828800000
+ 75557072 × 0000000 that equals 0
+ 75557072 × 40000000 which equals 3022282880000000

= 3052783456596672
