49289730888 has 16 divisors (see below), whose sum is σ = 123224327280. Its totient is φ = 16429910288.

The previous prime is 49289730851. The next prime is 49289730907. The reversal of 49289730888 is 88803798294.

It is a happy number.

It is a super-2 number, since 2×49289730888² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026869370 + ... + 1026869417.

It is an arithmetic number, because the mean of its divisors is an integer number (7701520455).

Almost surely, 2^49289730888 is an apocalyptic number.

It is an amenable number.

49289730888 is an abundant number, since it is smaller than the sum of its proper divisors (73934596392).

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

49289730888 is a wasteful number, since it uses less digits than its factorization.

49289730888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053738796 (or 2053738792 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 66.

The spelling of 49289730888 in words is "forty-nine billion, two hundred eighty-nine million, seven hundred thirty thousand, eight hundred eighty-eight".