44589681 has 6 divisors (see below), whose sum is σ = 64407330. Its totient is φ = 29726448.

The previous prime is 44589679. The next prime is 44589683. The reversal of 44589681 is 18698544.

44589681 is a `hidden beast` number, since 4 + 4 + 589 + 68 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (44589679) and next prime (44589683).

It can be written as a sum of positive squares in only one way, i.e., 37933281 + 6656400 = 6159^2 + 2580^2 .

It is not a de Polignac number, because 44589681 - 2¹ = 44589679 is a prime.

It is a super-2 number, since 2×44589681² = 3976479303363522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44589683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2477196 + ... + 2477213.

It is an arithmetic number, because the mean of its divisors is an integer number (10734555).

Almost surely, 2^44589681 is an apocalyptic number.

It is an amenable number.

44589681 is a deficient number, since it is larger than the sum of its proper divisors (19817649).

44589681 is a wasteful number, since it uses less digits than its factorization.

44589681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954415 (or 4954412 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 44589681 is about 6677.5505239571. The cubic root of 44589681 is about 354.6049457101.

The spelling of 44589681 in words is "forty-four million, five hundred eighty-nine thousand, six hundred eighty-one".