44004065 has 16 divisors (see below), whose sum is σ = 60600960. Its totient is φ = 30048000.

The previous prime is 44004061. The next prime is 44004067. The reversal of 44004065 is 56040044.

It is a happy number.

It is not a de Polignac number, because 44004065 - 2² = 44004061 is a prime.

44004065 is a modest number, since divided by 4065 gives 440 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 44004065.

It is not an unprimeable number, because it can be changed into a prime (44004061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6281 + ... + 11289.

It is an arithmetic number, because the mean of its divisors is an integer number (3787560).

Almost surely, 2^44004065 is an apocalyptic number.

It is an amenable number.

44004065 is a deficient number, since it is larger than the sum of its proper divisors (16596895).

44004065 is a wasteful number, since it uses less digits than its factorization.

44004065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 44004065 is about 6633.5559845380. Note that the first 3 decimals coincide. The cubic root of 44004065 is about 353.0457050660.

The spelling of 44004065 in words is "forty-four million, four thousand, sixty-five".