44040165 has 32 divisors (see below), whose sum is σ = 76204800. Its totient is φ = 21590016.

The previous prime is 44040163. The next prime is 44040169. The reversal of 44040165 is 56104044.

44040165 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 44040165 - 2¹ = 44040163 is a prime.

It is a super-2 number, since 2×44040165² = 3879072266454450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44040163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87304 + ... + 87806.

It is an arithmetic number, because the mean of its divisors is an integer number (2381400).

Almost surely, 2^44040165 is an apocalyptic number.

It is an amenable number.

44040165 is a deficient number, since it is larger than the sum of its proper divisors (32164635).

44040165 is a wasteful number, since it uses less digits than its factorization.

44040165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 44040165 is about 6636.2764408967. The cubic root of 44040165 is about 353.1422224090.

The spelling of 44040165 in words is "forty-four million, forty thousand, one hundred sixty-five".