44039664 has 60 divisors (see below), whose sum is σ = 128618256. Its totient is φ = 14040576.

The previous prime is 44039629. The next prime is 44039683. The reversal of 44039664 is 46693044.

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, 3337 + ... + 9960.

Almost surely, 2^44039664 is an apocalyptic number.

It is an amenable number.

44039664 is an abundant number, since it is smaller than the sum of its proper divisors (84578592).

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

44039664 is a wasteful number, since it uses less digits than its factorization.

44039664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334 (or 13325 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 44039664 is about 6636.2386937180. The cubic root of 44039664 is about 353.1408832911.

It can be divided in two parts, 440 and 39664, that added together give a palindrome (40104).

The spelling of 44039664 in words is "forty-four million, thirty-nine thousand, six hundred sixty-four".