44040569 has 2 divisors, whose sum is σ = 44040570. Its totient is φ = 44040568.

The previous prime is 44040559. The next prime is 44040571. The reversal of 44040569 is 96504044.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42510400 + 1530169 = 6520^2 + 1237^2 .

It is a cyclic number.

It is not a de Polignac number, because 44040569 - 2⁸ = 44040313 is a prime.

It is a super-2 number, since 2×44040569² = 3879143435687522, which contains 22 as substring.

Together with 44040571, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44040559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22020284 + 22020285.

It is an arithmetic number, because the mean of its divisors is an integer number (22020285).

Almost surely, 2^44040569 is an apocalyptic number.

It is an amenable number.

44040569 is a deficient number, since it is larger than the sum of its proper divisors (1).

44040569 is an equidigital number, since it uses as much as digits as its factorization.

44040569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 44040569 is about 6636.3068795830. The cubic root of 44040569 is about 353.1433022492.

The spelling of 44040569 in words is "forty-four million, forty thousand, five hundred sixty-nine".