442496172 has 48 divisors (see below), whose sum is σ = 1106525952. Its totient is φ = 137269440.

The previous prime is 442496141. The next prime is 442496221. The reversal of 442496172 is 271694244.

It is a self number, because there is not a number n which added to its sum of digits gives 442496172.

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, 11454 + ... + 31877.

It is an arithmetic number, because the mean of its divisors is an integer number (23052624).

Almost surely, 2^442496172 is an apocalyptic number.

It is an amenable number.

442496172 is an abundant number, since it is smaller than the sum of its proper divisors (664029780).

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

442496172 is a wasteful number, since it uses less digits than its factorization.

442496172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43398 (or 43396 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 442496172 is about 21035.5929795193. The cubic root of 442496172 is about 762.0260873813.

The spelling of 442496172 in words is "four hundred forty-two million, four hundred ninety-six thousand, one hundred seventy-two".