44804909 has 4 divisors (see below), whose sum is σ = 44971740. Its totient is φ = 44638080.

The previous prime is 44804899. The next prime is 44804917. The reversal of 44804909 is 90940844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19272100 + 25532809 = 4390^2 + 5053^2 .

It is a cyclic number.

It is not a de Polignac number, because 44804909 - 2⁸ = 44804653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44804939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83012 + ... + 83549.

It is an arithmetic number, because the mean of its divisors is an integer number (11242935).

Almost surely, 2^44804909 is an apocalyptic number.

It is an amenable number.

44804909 is a deficient number, since it is larger than the sum of its proper divisors (166831).

44804909 is a wasteful number, since it uses less digits than its factorization.

44804909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166830.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 44804909 is about 6693.6469133052. The cubic root of 44804909 is about 355.1745726064.

The spelling of 44804909 in words is "forty-four million, eight hundred four thousand, nine hundred nine".