Alright, let's work through 40658454 times 26541015 step by step
40658454 × 26541015 = 26541015 × (40658454)
+ 26541015 × 4 which equals 106164060
+ 26541015 × 50 that equals 1327050750
+ 26541015 × 400 which equals 10616406000
+ 26541015 × 8000 yielding 212328120000
+ 26541015 × 50000 resulting in 1327050750000
+ 26541015 × 600000 that is equal 15924609000000
+ 26541015 × 0000000 that results in 0
+ 26541015 × 40000000 that equals 1061640600000000

= 1079116637490810
