Alright, let's work through 48944289 times 18163909 step by step
48944289 × 18163909 = 18163909 × (48944289)
+ 18163909 × 9 resulting in 163475181
+ 18163909 × 80 that is equal 1453112720
+ 18163909 × 200 that equals 3632781800
+ 18163909 × 4000 giving us 72655636000
+ 18163909 × 40000 what gives us 726556360000
+ 18163909 × 900000 what gives us 16347518100000
+ 18163909 × 8000000 that is equal 145311272000000
+ 18163909 × 40000000 resulting in 726556360000000

= 889019611465701
