442794423184 has 15 divisors (see below), whose sum is σ = 857919352017. Its totient is φ = 221395880736.

The previous prime is 442794423161. The next prime is 442794423229. The reversal of 442794423184 is 481324497244.

The square root of 442794423184 is 665428.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 426748627600 + 16045795584 = 653260^2 + 126672^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2578534 + ... + 2744890.

Almost surely, 2^442794423184 is an apocalyptic number.

442794423184 is the 665428-th square number.

It is an amenable number.

442794423184 is a deficient number, since it is larger than the sum of its proper divisors (415124928833).

442794423184 is an frugal number, since it uses more digits than its factorization.

442794423184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332722 (or 166359 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 52.

The spelling of 442794423184 in words is "four hundred forty-two billion, seven hundred ninety-four million, four hundred twenty-three thousand, one hundred eighty-four".