444240056 has 64 divisors (see below), whose sum is σ = 975602880. Its totient is φ = 187729920.

The previous prime is 444240047. The next prime is 444240061. The reversal of 444240056 is 650042444.

It is a happy number.

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, 62021 + ... + 68811.

It is an arithmetic number, because the mean of its divisors is an integer number (15243795).

Almost surely, 2^444240056 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 444240056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487801440).

444240056 is an abundant number, since it is smaller than the sum of its proper divisors (531362824).

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

444240056 is a wasteful number, since it uses less digits than its factorization.

444240056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6864 (or 6860 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 444240056 is about 21077.0030127625. The cubic root of 444240056 is about 763.0258272501.

The spelling of 444240056 in words is "four hundred forty-four million, two hundred forty thousand, fifty-six".