44836561 has 24 divisors (see below), whose sum is σ = 59033664. Its totient is φ = 33078240.

The previous prime is 44836553. The next prime is 44836567. The reversal of 44836561 is 16563844.

It is a happy number.

It is not a de Polignac number, because 44836561 - 2³ = 44836553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44836561.

It is not an unprimeable number, because it can be changed into a prime (44836567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26991 + ... + 28603.

It is an arithmetic number, because the mean of its divisors is an integer number (2459736).

Almost surely, 2^44836561 is an apocalyptic number.

It is an amenable number.

44836561 is a deficient number, since it is larger than the sum of its proper divisors (14197103).

44836561 is a wasteful number, since it uses less digits than its factorization.

44836561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1650 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 44836561 is about 6696.0108273509. The cubic root of 44836561 is about 355.2581894808.

The spelling of 44836561 in words is "forty-four million, eight hundred thirty-six thousand, five hundred sixty-one".