44656664 has 32 divisors (see below), whose sum is σ = 91037520. Its totient is φ = 20413056.

The previous prime is 44656643. The next prime is 44656681. The reversal of 44656664 is 46665644.

It is a congruent number.

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, 9122 + ... + 13134.

Almost surely, 2^44656664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44656664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45518760).

44656664 is an abundant number, since it is smaller than the sum of its proper divisors (46380856).

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

44656664 is a wasteful number, since it uses less digits than its factorization.

44656664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139 (or 4135 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

The square root of 44656664 is about 6682.5641785171. The cubic root of 44656664 is about 354.7824203988.

The spelling of 44656664 in words is "forty-four million, six hundred fifty-six thousand, six hundred sixty-four".