49917878832 has 40 divisors (see below), whose sum is σ = 128962817280. Its totient is φ = 16638222400.

The previous prime is 49917878771. The next prime is 49917878851. The reversal of 49917878832 is 23887871994.

49917878832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157269 + ... + 1199627.

It is an arithmetic number, because the mean of its divisors is an integer number (3224070432).

Almost surely, 2^49917878832 is an apocalyptic number.

It is an amenable number.

49917878832 is an abundant number, since it is smaller than the sum of its proper divisors (79044938448).

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

49917878832 is a wasteful number, since it uses less digits than its factorization.

49917878832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66921 (or 66915 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 66.

The spelling of 49917878832 in words is "forty-nine billion, nine hundred seventeen million, eight hundred seventy-eight thousand, eight hundred thirty-two".