44021928 has 32 divisors (see below), whose sum is σ = 110217600. Its totient is φ = 14652288.

The previous prime is 44021927. The next prime is 44021933. The reversal of 44021928 is 82912044.

It is a junction number, because it is equal to n+sod(n) for n = 44021895 and 44021904.

It is not an unprimeable number, because it can be changed into a prime (44021921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30225 + ... + 31647.

It is an arithmetic number, because the mean of its divisors is an integer number (3444300).

Almost surely, 2^44021928 is an apocalyptic number.

It is an amenable number.

44021928 is an abundant number, since it is smaller than the sum of its proper divisors (66195672).

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

44021928 is a wasteful number, since it uses less digits than its factorization.

44021928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 44021928 is about 6634.9022600186. The cubic root of 44021928 is about 353.0934703673.

The spelling of 44021928 in words is "forty-four million, twenty-one thousand, nine hundred twenty-eight".