44355909 has 24 divisors (see below), whose sum is σ = 64825920. Its totient is φ = 26961792.

The previous prime is 44355889. The next prime is 44355911. The reversal of 44355909 is 90955344.

It is not a de Polignac number, because 44355909 - 2⁸ = 44355653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44355979) 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 23 ways as a sum of consecutive naturals, for example, 44632 + ... + 45614.

It is an arithmetic number, because the mean of its divisors is an integer number (2701080).

Almost surely, 2^44355909 is an apocalyptic number.

It is an amenable number.

44355909 is a deficient number, since it is larger than the sum of its proper divisors (20470011).

44355909 is a wasteful number, since it uses less digits than its factorization.

44355909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 44355909 is about 6660.0231981578. The cubic root of 44355909 is about 353.9841593346.

The spelling of 44355909 in words is "forty-four million, three hundred fifty-five thousand, nine hundred nine".