44428590 has 48 divisors (see below), whose sum is σ = 116015328. Its totient is φ = 11796288.

The previous prime is 44428577. The next prime is 44428607. The reversal of 44428590 is 9582444.

44428590 is a `hidden beast` number, since 4 + 44 + 28 + 590 = 666.

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, 22732 + ... + 24608.

It is an arithmetic number, because the mean of its divisors is an integer number (2416986).

Almost surely, 2^44428590 is an apocalyptic number.

44428590 is an abundant number, since it is smaller than the sum of its proper divisors (71586738).

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

44428590 is a wasteful number, since it uses less digits than its factorization.

44428590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153 (or 2150 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 44428590 is about 6665.4774772705. The cubic root of 44428590 is about 354.1773983984.

The spelling of 44428590 in words is "forty-four million, four hundred twenty-eight thousand, five hundred ninety".