444525536 has 96 divisors (see below), whose sum is σ = 1082870208. Its totient is φ = 174919680.

The previous prime is 444525509. The next prime is 444525553. The reversal of 444525536 is 635525444.

It is a self number, because there is not a number n which added to its sum of digits gives 444525536.

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, 852956 + ... + 853476.

It is an arithmetic number, because the mean of its divisors is an integer number (11279898).

Almost surely, 2^444525536 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 444525536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541435104).

444525536 is an abundant number, since it is smaller than the sum of its proper divisors (638344672).

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

444525536 is a wasteful number, since it uses less digits than its factorization.

444525536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 836 counting only the distinct ones).

The product of its digits is 288000, while the sum is 38.

The square root of 444525536 is about 21083.7742351791. The cubic root of 444525536 is about 763.1892388757.

The spelling of 444525536 in words is "four hundred forty-four million, five hundred twenty-five thousand, five hundred thirty-six".