44997664 has 24 divisors (see below), whose sum is σ = 90752508. Its totient is φ = 21949440.

The previous prime is 44997629. The next prime is 44997721. The reversal of 44997664 is 46679944.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44997264 + 400 = 6708^2 + 20^2 .

It is a super-3 number, since 3×44997664³ (a number of 24 digits) contains 333 as substring.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15837 + ... + 18460.

Almost surely, 2^44997664 is an apocalyptic number.

It is an amenable number.

44997664 is an abundant number, since it is smaller than the sum of its proper divisors (45754844).

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

44997664 is a wasteful number, since it uses less digits than its factorization.

44997664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34348 (or 34340 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 44997664 is about 6708.0298150798. The cubic root of 44997664 is about 355.6831755997.

The spelling of 44997664 in words is "forty-four million, nine hundred ninety-seven thousand, six hundred sixty-four".