44128928 has 12 divisors (see below), whose sum is σ = 86878890. Its totient is φ = 22064448.

The previous prime is 44128921. The next prime is 44128951. The reversal of 44128928 is 82982144.

It can be written as a sum of positive squares in only one way, i.e., 33965584 + 10163344 = 5828^2 + 3188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44128891 and 44128900.

It is not an unprimeable number, because it can be changed into a prime (44128921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689483 + ... + 689546.

Almost surely, 2^44128928 is an apocalyptic number.

It is an amenable number.

44128928 is a deficient number, since it is larger than the sum of its proper divisors (42749962).

44128928 is a wasteful number, since it uses less digits than its factorization.

44128928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379039 (or 1379031 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 44128928 is about 6642.9607856738. The cubic root of 44128928 is about 353.3793160361.

The spelling of 44128928 in words is "forty-four million, one hundred twenty-eight thousand, nine hundred twenty-eight".