44160561 has 12 divisors (see below), whose sum is σ = 64142260. Its totient is φ = 29276640.

The previous prime is 44160559. The next prime is 44160563. The reversal of 44160561 is 16506144.

44160561 is a `hidden beast` number, since 4 + 41 + 60 + 561 = 666.

It is an interprime number because it is at equal distance from previous prime (44160559) and next prime (44160563).

It can be written as a sum of positive squares in 2 ways, for example, as 5035536 + 39125025 = 2244^2 + 6255^2 .

It is not a de Polignac number, because 44160561 - 2¹ = 44160559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44160563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11926 + ... + 15183.

Almost surely, 2^44160561 is an apocalyptic number.

It is an amenable number.

44160561 is a deficient number, since it is larger than the sum of its proper divisors (19981699).

44160561 is a wasteful number, since it uses less digits than its factorization.

44160561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27296 (or 27293 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 44160561 is about 6645.3413004901. The cubic root of 44160561 is about 353.4637336615.

The spelling of 44160561 in words is "forty-four million, one hundred sixty thousand, five hundred sixty-one".