9000440844 has 12 divisors (see below), whose sum is σ = 21001028664. Its totient is φ = 3000146944.

The previous prime is 9000440833. The next prime is 9000440873. The reversal of 9000440844 is 4480440009.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375018357 + ... + 375018380.

It is an arithmetic number, because the mean of its divisors is an integer number (1750085722).

Almost surely, 2^9000440844 is an apocalyptic number.

It is an amenable number.

9000440844 is an abundant number, since it is smaller than the sum of its proper divisors (12000587820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9000440844 is a wasteful number, since it uses less digits than its factorization.

9000440844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750036744 (or 750036742 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 9000440844 is about 94870.6532284879. The cubic root of 9000440844 is about 2080.1177851816.

The spelling of 9000440844 in words is "nine billion, four hundred forty thousand, eight hundred forty-four".