44208864 has 72 divisors (see below), whose sum is σ = 143685360. Its totient is φ = 12630528.

The previous prime is 44208803. The next prime is 44208889. The reversal of 44208864 is 46880244.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8949 + ... + 12980.

It is an arithmetic number, because the mean of its divisors is an integer number (1995630).

Almost surely, 2^44208864 is an apocalyptic number.

It is an amenable number.

44208864 is an abundant number, since it is smaller than the sum of its proper divisors (99476496).

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

44208864 is a wasteful number, since it uses less digits than its factorization.

44208864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21952 (or 21941 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 44208864 is about 6648.9746577950. The cubic root of 44208864 is about 353.5925600559.

The spelling of 44208864 in words is "forty-four million, two hundred eight thousand, eight hundred sixty-four".