442344512 has 14 divisors (see below), whose sum is σ = 877777518. Its totient is φ = 221172224.

The previous prime is 442344503. The next prime is 442344557. The reversal of 442344512 is 215443244.

It can be written as a sum of positive squares in only one way, i.e., 339443776 + 102900736 = 18424^2 + 10144^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3455753 + ... + 3455880.

Almost surely, 2^442344512 is an apocalyptic number.

It is an amenable number.

442344512 is a deficient number, since it is larger than the sum of its proper divisors (435433006).

442344512 is an equidigital number, since it uses as much as digits as its factorization.

442344512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6911645 (or 6911635 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 442344512 is about 21031.9878280680. The cubic root of 442344512 is about 761.9390191462.

Adding to 442344512 its reverse (215443244), we get a palindrome (657787756).

The spelling of 442344512 in words is "four hundred forty-two million, three hundred forty-four thousand, five hundred twelve".