44486561 has 18 divisors (see below), whose sum is σ = 52854390. Its totient is φ = 37329600.

The previous prime is 44486549. The next prime is 44486567. The reversal of 44486561 is 16568444.

It can be written as a sum of positive squares in 3 ways, for example, as 23464336 + 21022225 = 4844^2 + 4585^2 .

It is not a de Polignac number, because 44486561 - 2¹⁸ = 44224417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44486567) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 440411 + ... + 440511.

It is an arithmetic number, because the mean of its divisors is an integer number (2936355).

Almost surely, 2^44486561 is an apocalyptic number.

It is an amenable number.

44486561 is a deficient number, since it is larger than the sum of its proper divisors (8367829).

44486561 is an equidigital number, since it uses as much as digits as its factorization.

44486561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 197 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 44486561 is about 6669.8246603640. The cubic root of 44486561 is about 354.3313765333.

The spelling of 44486561 in words is "forty-four million, four hundred eighty-six thousand, five hundred sixty-one".