44568009 has 8 divisors (see below), whose sum is σ = 66026720. Its totient is φ = 29711988.

The previous prime is 44567993. The next prime is 44568019. The reversal of 44568009 is 90086544.

It is not a de Polignac number, because 44568009 - 2⁴ = 44567993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44568019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825307 + ... + 825360.

It is an arithmetic number, because the mean of its divisors is an integer number (8253340).

Almost surely, 2^44568009 is an apocalyptic number.

It is an amenable number.

44568009 is a deficient number, since it is larger than the sum of its proper divisors (21458711).

44568009 is a wasteful number, since it uses less digits than its factorization.

44568009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650676 (or 1650670 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 44568009 is about 6675.9275760002. The cubic root of 44568009 is about 354.5474866478.

The spelling of 44568009 in words is "forty-four million, five hundred sixty-eight thousand, nine".