444949568 has 112 divisors (see below), whose sum is σ = 1098011520. Its totient is φ = 174514176.

The previous prime is 444949499. The next prime is 444949577. The reversal of 444949568 is 865949444.

It is a tau number, because it is divible by the number of its divisors (112).

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, 281003 + ... + 282581.

Almost surely, 2^444949568 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 444949568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549005760).

444949568 is an abundant number, since it is smaller than the sum of its proper divisors (653061952).

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

444949568 is a wasteful number, since it uses less digits than its factorization.

444949568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1642 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The square root of 444949568 is about 21093.8277228198. The cubic root of 444949568 is about 763.4318299745.

The spelling of 444949568 in words is "four hundred forty-four million, nine hundred forty-nine thousand, five hundred sixty-eight".