44939930538 has 16 divisors (see below), whose sum is σ = 94610380320. Its totient is φ = 14191556976.

The previous prime is 44939930531. The next prime is 44939930543. The reversal of 44939930538 is 83503993944.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44939930531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197104845 + ... + 197105072.

It is an arithmetic number, because the mean of its divisors is an integer number (5913148770).

Almost surely, 2^44939930538 is an apocalyptic number.

44939930538 is an abundant number, since it is smaller than the sum of its proper divisors (49670449782).

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

44939930538 is a wasteful number, since it uses less digits than its factorization.

44939930538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394209941.

The product of its (nonzero) digits is 12597120, while the sum is 57.

The spelling of 44939930538 in words is "forty-four billion, nine hundred thirty-nine million, nine hundred thirty thousand, five hundred thirty-eight".