44042565 has 32 divisors (see below), whose sum is σ = 81351936. Its totient is φ = 19929600.

The previous prime is 44042533. The next prime is 44042573. The reversal of 44042565 is 56524044.

It is not a de Polignac number, because 44042565 - 2⁵ = 44042533 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8529 + ... + 12681.

It is an arithmetic number, because the mean of its divisors is an integer number (2542248).

Almost surely, 2^44042565 is an apocalyptic number.

It is an amenable number.

44042565 is a deficient number, since it is larger than the sum of its proper divisors (37309371).

44042565 is a wasteful number, since it uses less digits than its factorization.

44042565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 44042565 is about 6636.4572627269. The cubic root of 44042565 is about 353.1486372044.

The spelling of 44042565 in words is "forty-four million, forty-two thousand, five hundred sixty-five".