444656432 has 80 divisors (see below), whose sum is σ = 972178848. Its totient is φ = 195287040.

The previous prime is 444656431. The next prime is 444656441. The reversal of 444656432 is 234656444.

It is not an unprimeable number, because it can be changed into a prime (444656431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680618 + ... + 681270.

Almost surely, 2^444656432 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 444656432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486089424).

444656432 is an abundant number, since it is smaller than the sum of its proper divisors (527522416).

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

444656432 is a wasteful number, since it uses less digits than its factorization.

444656432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 792 counting only the distinct ones).

The product of its digits is 276480, while the sum is 38.

The square root of 444656432 is about 21086.8781947447. The cubic root of 444656432 is about 763.2641416703.

The spelling of 444656432 in words is "four hundred forty-four million, six hundred fifty-six thousand, four hundred thirty-two".