44320464 has 120 divisors (see below), whose sum is σ = 132699840. Its totient is φ = 13768704.

The previous prime is 44320457. The next prime is 44320489. The reversal of 44320464 is 46402344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265309 + ... + 265475.

It is an arithmetic number, because the mean of its divisors is an integer number (1105832).

Almost surely, 2^44320464 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 44320464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66349920).

44320464 is an abundant number, since it is smaller than the sum of its proper divisors (88379376).

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

44320464 is a wasteful number, since it uses less digits than its factorization.

44320464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 44320464 is about 6657.3616395686. The cubic root of 44320464 is about 353.8898441133.

The spelling of 44320464 in words is "forty-four million, three hundred twenty thousand, four hundred sixty-four".