44408664 has 24 divisors (see below), whose sum is σ = 120273660. Its totient is φ = 14802864.

The previous prime is 44408633. The next prime is 44408669. The reversal of 44408664 is 46680444.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44408669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308322 + ... + 308465.

Almost surely, 2^44408664 is an apocalyptic number.

It is an amenable number.

44408664 is an abundant number, since it is smaller than the sum of its proper divisors (75864996).

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

44408664 is a wasteful number, since it uses less digits than its factorization.

44408664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616799 (or 616792 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 44408664 is about 6663.9825930145. The cubic root of 44408664 is about 354.1244415511.

The spelling of 44408664 in words is "forty-four million, four hundred eight thousand, six hundred sixty-four".