44454864 has 80 divisors (see below), whose sum is σ = 122724288. Its totient is φ = 13817856.

The previous prime is 44454857. The next prime is 44454901. The reversal of 44454864 is 46845444.

It is a congruent number.

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, 127939 + ... + 128285.

Almost surely, 2^44454864 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 44454864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61362144).

44454864 is an abundant number, since it is smaller than the sum of its proper divisors (78269424).

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

44454864 is a wasteful number, since it uses less digits than its factorization.

44454864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 526 counting only the distinct ones).

The product of its digits is 245760, while the sum is 39.

The square root of 44454864 is about 6667.4480875369. The cubic root of 44454864 is about 354.2472019730.

The spelling of 44454864 in words is "forty-four million, four hundred fifty-four thousand, eight hundred sixty-four".