49394972928 has 108 divisors (see below), whose sum is σ = 152926070640. Its totient is φ = 14112838656.

The previous prime is 49394972909. The next prime is 49394972959. The reversal of 49394972928 is 82927949394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 618658 + ... + 693921.

Almost surely, 2^49394972928 is an apocalyptic number.

49394972928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49394972928 is an abundant number, since it is smaller than the sum of its proper divisors (103531097712).

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

49394972928 is a wasteful number, since it uses less digits than its factorization.

49394972928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312612 (or 1312591 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 66.

The spelling of 49394972928 in words is "forty-nine billion, three hundred ninety-four million, nine hundred seventy-two thousand, nine hundred twenty-eight".