44272428 has 24 divisors (see below), whose sum is σ = 103884480. Its totient is φ = 14674320.

The previous prime is 44272409. The next prime is 44272439. The reversal of 44272428 is 82427244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8158 + ... + 12453.

It is an arithmetic number, because the mean of its divisors is an integer number (4328520).

Almost surely, 2^44272428 is an apocalyptic number.

It is an amenable number.

44272428 is an abundant number, since it is smaller than the sum of its proper divisors (59612052).

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

44272428 is a wasteful number, since it uses less digits than its factorization.

44272428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20797 (or 20795 counting only the distinct ones).

The product of its digits is 28672, while the sum is 33.

The square root of 44272428 is about 6653.7529259809. The cubic root of 44272428 is about 353.7619453486.

The spelling of 44272428 in words is "forty-four million, two hundred seventy-two thousand, four hundred twenty-eight".