44457628 has 12 divisors (see below), whose sum is σ = 77864752. Its totient is φ = 22210560.

The previous prime is 44457613. The next prime is 44457631. The reversal of 44457628 is 82675444.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948 + ... + 9628.

Almost surely, 2^44457628 is an apocalyptic number.

It is an amenable number.

44457628 is a deficient number, since it is larger than the sum of its proper divisors (33407124).

44457628 is a wasteful number, since it uses less digits than its factorization.

44457628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9132 (or 9130 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The square root of 44457628 is about 6667.6553600197. The cubic root of 44457628 is about 354.2545436441.

The spelling of 44457628 in words is "forty-four million, four hundred fifty-seven thousand, six hundred twenty-eight".