44431331456 has 32 divisors (see below), whose sum is σ = 89161677180. Its totient is φ = 22053498880.

The previous prime is 44431331449. The next prime is 44431331479. The reversal of 44431331456 is 65413313444.

It can be written as a sum of positive squares in 2 ways, for example, as 39505537600 + 4925793856 = 198760^2 + 70184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249325 + ... + 1284396.

Almost surely, 2^44431331456 is an apocalyptic number.

It is an amenable number.

44431331456 is an abundant number, since it is smaller than the sum of its proper divisors (44730345724).

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

44431331456 is a wasteful number, since it uses less digits than its factorization.

44431331456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533872 (or 2533860 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The spelling of 44431331456 in words is "forty-four billion, four hundred thirty-one million, three hundred thirty-one thousand, four hundred fifty-six".