44564499 has 64 divisors (see below), whose sum is σ = 79349760. Its totient is φ = 24494400.

The previous prime is 44564491. The next prime is 44564521. The reversal of 44564499 is 99446544.

44564499 is a `hidden beast` number, since 44 + 564 + 49 + 9 = 666.

It is not a de Polignac number, because 44564499 - 2³ = 44564491 is a prime.

It is a super-2 number, since 2×44564499² = 3971989142242002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44564491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 627634 + ... + 627704.

It is an arithmetic number, because the mean of its divisors is an integer number (1239840).

Almost surely, 2^44564499 is an apocalyptic number.

44564499 is a deficient number, since it is larger than the sum of its proper divisors (34785261).

44564499 is an frugal number, since it uses more digits than its factorization.

44564499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 122 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 44564499 is about 6675.6646860069. The cubic root of 44564499 is about 354.5381788179.

The spelling of 44564499 in words is "forty-four million, five hundred sixty-four thousand, four hundred ninety-nine".