7498728978048 has 768 divisors, whose sum is σ = 28356215097600. Its totient is φ = 1845043200000.

The previous prime is 7498728978023. The next prime is 7498728978049. The reversal of 7498728978048 is 8408798278947.

7498728978048 is a `hidden beast` number, since 7 + 498 + 7 + 2 + 8 + 9 + 7 + 80 + 48 = 666.

It is not an unprimeable number, because it can be changed into a prime (7498728978049) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 136310548 + ... + 136365548.

It is an arithmetic number, because the mean of its divisors is an integer number (36922155075).

Almost surely, 2^{7498728978048} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7498728978048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14178107548800).

7498728978048 is an abundant number, since it is smaller than the sum of its proper divisors (20857486119552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7498728978048 is a wasteful number, since it uses less digits than its factorization.

7498728978048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55121 (or 55106 counting only the distinct ones).

The product of its (nonzero) digits is 3641573376, while the sum is 81.

The spelling of 7498728978048 in words is "seven trillion, four hundred ninety-eight billion, seven hundred twenty-eight million, nine hundred seventy-eight thousand, forty-eight".