44013983664 has 80 divisors (see below), whose sum is σ = 136785332480. Its totient is φ = 11913557760.

The previous prime is 44013983647. The next prime is 44013983681. The reversal of 44013983664 is 46638931044.

44013983664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (44013983647) and next prime (44013983681).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3440827 + ... + 3453594.

It is an arithmetic number, because the mean of its divisors is an integer number (1709816656).

Almost surely, 2^44013983664 is an apocalyptic number.

It is an amenable number.

44013983664 is an abundant number, since it is smaller than the sum of its proper divisors (92771348816).

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

44013983664 is a wasteful number, since it uses less digits than its factorization.

44013983664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894458 (or 6894452 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 44013983664 in words is "forty-four billion, thirteen million, nine hundred eighty-three thousand, six hundred sixty-four".