44401311264 has 48 divisors (see below), whose sum is σ = 116866012032. Its totient is φ = 14760745728.

The previous prime is 44401311197. The next prime is 44401311277. The reversal of 44401311264 is 46211310444.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×44401311264² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584184 + ... + 655799.

It is an arithmetic number, because the mean of its divisors is an integer number (2434708584).

Almost surely, 2^44401311264 is an apocalyptic number.

It is an amenable number.

44401311264 is an abundant number, since it is smaller than the sum of its proper divisors (72464700768).

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

44401311264 is a wasteful number, since it uses less digits than its factorization.

44401311264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240369 (or 1240361 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 44401311264 in words is "forty-four billion, four hundred one million, three hundred eleven thousand, two hundred sixty-four".