444972616 has 32 divisors (see below), whose sum is σ = 911671200. Its totient is φ = 201927040.

The previous prime is 444972611. The next prime is 444972617. The reversal of 444972616 is 616279444.

It is not an unprimeable number, because it can be changed into a prime (444972611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54156 + ... + 61828.

It is an arithmetic number, because the mean of its divisors is an integer number (28489725).

Almost surely, 2^444972616 is an apocalyptic number.

It is an amenable number.

444972616 is an abundant number, since it is smaller than the sum of its proper divisors (466698584).

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

444972616 is a wasteful number, since it uses less digits than its factorization.

444972616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8349 (or 8345 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 444972616 is about 21094.3740366952. The cubic root of 444972616 is about 763.4450114482.

The spelling of 444972616 in words is "four hundred forty-four million, nine hundred seventy-two thousand, six hundred sixteen".