49939870032 has 80 divisors (see below), whose sum is σ = 154372550080. Its totient is φ = 15366112128.

The previous prime is 49939869989. The next prime is 49939870039. The reversal of 49939870032 is 23007893994.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49939870039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4440598 + ... + 4451829.

It is an arithmetic number, because the mean of its divisors is an integer number (1929656876).

Almost surely, 2^49939870032 is an apocalyptic number.

It is an amenable number.

49939870032 is an abundant number, since it is smaller than the sum of its proper divisors (104432680048).

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

49939870032 is a wasteful number, since it uses less digits than its factorization.

49939870032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8892457 (or 8892445 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 49939870032 in words is "forty-nine billion, nine hundred thirty-nine million, eight hundred seventy thousand, thirty-two".