442354244 has 12 divisors (see below), whose sum is σ = 792123024. Its totient is φ = 216033384.

The previous prime is 442354243. The next prime is 442354307. The reversal of 442354244 is 442453244.

It is a self number, because there is not a number n which added to its sum of digits gives 442354244.

It is not an unprimeable number, because it can be changed into a prime (442354243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285742 + ... + 1286085.

It is an arithmetic number, because the mean of its divisors is an integer number (66010252).

Almost surely, 2^442354244 is an apocalyptic number.

It is an amenable number.

442354244 is a deficient number, since it is larger than the sum of its proper divisors (349768780).

442354244 is a wasteful number, since it uses less digits than its factorization.

442354244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571874 (or 2571872 counting only the distinct ones).

The product of its digits is 61440, while the sum is 32.

The square root of 442354244 is about 21032.2191886639. The cubic root of 442354244 is about 761.9446068996.

The spelling of 442354244 in words is "four hundred forty-two million, three hundred fifty-four thousand, two hundred forty-four".