444579444 has 72 divisors (see below), whose sum is σ = 1192726080. Its totient is φ = 139145472.

The previous prime is 444579419. The next prime is 444579449. The reversal of 444579444 is 444975444.

It is a self number, because there is not a number n which added to its sum of digits gives 444579444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444579449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 451777 + ... + 452759.

It is an arithmetic number, because the mean of its divisors is an integer number (16565640).

Almost surely, 2^444579444 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 444579444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596363040).

444579444 is an abundant number, since it is smaller than the sum of its proper divisors (748146636).

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

444579444 is a wasteful number, since it uses less digits than its factorization.

444579444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749 (or 1744 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The square root of 444579444 is about 21085.0526202806. The cubic root of 444579444 is about 763.2200885038.

The spelling of 444579444 in words is "four hundred forty-four million, five hundred seventy-nine thousand, four hundred forty-four".