44409900 has 72 divisors (see below), whose sum is σ = 129366720. Its totient is φ = 11762240.

The previous prime is 44409863. The next prime is 44409913. The reversal of 44409900 is 990444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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, 53287 + ... + 54113.

It is an arithmetic number, because the mean of its divisors is an integer number (1796760).

Almost surely, 2^44409900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44409900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64683360).

44409900 is an abundant number, since it is smaller than the sum of its proper divisors (84956820).

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

44409900 is a wasteful number, since it uses less digits than its factorization.

44409900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 44409900 is about 6664.0753297063. The cubic root of 44409900 is about 354.1277268991.

The spelling of 44409900 in words is "forty-four million, four hundred nine thousand, nine hundred".