444344368 has 80 divisors (see below), whose sum is σ = 1000623456. Its totient is φ = 189296640.

The previous prime is 444344353. The next prime is 444344371. The reversal of 444344368 is 863443444.

It is a self number, because there is not a number n which added to its sum of digits gives 444344368.

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, 186223 + ... + 188593.

Almost surely, 2^444344368 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 444344368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500311728).

444344368 is an abundant number, since it is smaller than the sum of its proper divisors (556279088).

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

444344368 is a wasteful number, since it uses less digits than its factorization.

444344368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462 (or 2456 counting only the distinct ones).

The product of its digits is 442368, while the sum is 40.

The square root of 444344368 is about 21079.4774128772. The cubic root of 444344368 is about 763.0855446035.

The spelling of 444344368 in words is "four hundred forty-four million, three hundred forty-four thousand, three hundred sixty-eight".