Alright, let's work through 42468057 times 86819074 step by step
42468057 × 86819074 = 86819074 × (42468057)
+ 86819074 × 7 giving us 607733518
+ 86819074 × 50 that equals 4340953700
+ 86819074 × 000 that is equal 0
+ 86819074 × 8000 producing 694552592000
+ 86819074 × 60000 producing 5209144440000
+ 86819074 × 400000 yielding 34727629600000
+ 86819074 × 2000000 that is equal 173638148000000
+ 86819074 × 40000000 yielding 3472762960000000

= 3687037383319218
