44315664 has 80 divisors (see below), whose sum is σ = 120742272. Its totient is φ = 13978624.

The previous prime is 44315639. The next prime is 44315701. The reversal of 44315664 is 46651344.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151102 + ... + 151394.

Almost surely, 2^44315664 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 44315664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60371136).

44315664 is an abundant number, since it is smaller than the sum of its proper divisors (76426608).

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

44315664 is a wasteful number, since it uses less digits than its factorization.

44315664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 458 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 44315664 is about 6657.0011266335. The cubic root of 44315664 is about 353.8770679791.

The spelling of 44315664 in words is "forty-four million, three hundred fifteen thousand, six hundred sixty-four".