444164502 has 32 divisors (see below), whose sum is σ = 914918400. Its totient is φ = 143646048.

The previous prime is 444164489. The next prime is 444164527. The reversal of 444164502 is 205461444.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 444164502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81499 + ... + 86777.

It is an arithmetic number, because the mean of its divisors is an integer number (28591200).

Almost surely, 2^444164502 is an apocalyptic number.

444164502 is an abundant number, since it is smaller than the sum of its proper divisors (470753898).

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

444164502 is a wasteful number, since it uses less digits than its factorization.

444164502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 444164502 is about 21075.2106039299. The cubic root of 444164502 is about 762.9825676647.

The spelling of 444164502 in words is "four hundred forty-four million, one hundred sixty-four thousand, five hundred two".