44940879639 has 12 divisors (see below), whose sum is σ = 65183962272. Its totient is φ = 29836267200.

The previous prime is 44940879631. The next prime is 44940879667. The reversal of 44940879639 is 93697804944.

44940879639 is a `hidden beast` number, since 4 + 494 + 0 + 87 + 9 + 63 + 9 = 666.

It is not a de Polignac number, because 44940879639 - 2³ = 44940879631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44940879631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10357647 + ... + 10361984.

It is an arithmetic number, because the mean of its divisors is an integer number (5431996856).

Almost surely, 2^44940879639 is an apocalyptic number.

44940879639 is a deficient number, since it is larger than the sum of its proper divisors (20243082633).

44940879639 is a wasteful number, since it uses less digits than its factorization.

44940879639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20719878 (or 20719875 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 44940879639 in words is "forty-four billion, nine hundred forty million, eight hundred seventy-nine thousand, six hundred thirty-nine".