Alright, let's work through 64374409 times 17775552 step by step
64374409 × 17775552 = 17775552 × (64374409)
+ 17775552 × 9 yielding 159979968
+ 17775552 × 00 producing 0
+ 17775552 × 400 that equals 7110220800
+ 17775552 × 4000 resulting in 71102208000
+ 17775552 × 70000 that is equal 1244288640000
+ 17775552 × 300000 what gives us 5332665600000
+ 17775552 × 4000000 what gives us 71102208000000
+ 17775552 × 60000000 which equals 1066533120000000

= 1144290654648768
