Alright, let's work through 5439444 times 80498958 step by step
5439444 × 80498958 = 80498958 × (5439444)
+ 80498958 × 4 yielding 321995832
+ 80498958 × 40 resulting in 3219958320
+ 80498958 × 400 giving us 32199583200
+ 80498958 × 9000 giving us 724490622000
+ 80498958 × 30000 which equals 2414968740000
+ 80498958 × 400000 which equals 32199583200000
+ 80498958 × 5000000 that is equal 402494790000000

= 437869574099352
