44313664 has 14 divisors (see below), whose sum is σ = 87935054. Its totient is φ = 22156800.

The previous prime is 44313641. The next prime is 44313667. The reversal of 44313664 is 46631344.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39438400 + 4875264 = 6280^2 + 2208^2 .

It is not an unprimeable number, because it can be changed into a prime (44313667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346137 + ... + 346264.

Almost surely, 2^44313664 is an apocalyptic number.

It is an amenable number.

44313664 is a deficient number, since it is larger than the sum of its proper divisors (43621390).

44313664 is an equidigital number, since it uses as much as digits as its factorization.

44313664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692413 (or 692403 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 44313664 is about 6656.8509071482. The cubic root of 44313664 is about 353.8717443176.

The spelling of 44313664 in words is "forty-four million, three hundred thirteen thousand, six hundred sixty-four".