44352009 has 16 divisors (see below), whose sum is σ = 70761600. Its totient is φ = 27293328.

The previous prime is 44352001. The next prime is 44352013. The reversal of 44352009 is 90025344.

It is not a de Polignac number, because 44352009 - 2³ = 44352001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44352001) 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, 62829 + ... + 63530.

It is an arithmetic number, because the mean of its divisors is an integer number (4422600).

Almost surely, 2^44352009 is an apocalyptic number.

It is an amenable number.

44352009 is a deficient number, since it is larger than the sum of its proper divisors (26409591).

44352009 is a wasteful number, since it uses less digits than its factorization.

44352009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126381 (or 126375 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 44352009 is about 6659.7303999486. The cubic root of 44352009 is about 353.9737843269.

The spelling of 44352009 in words is "forty-four million, three hundred fifty-two thousand, nine".