442312304242 has 8 divisors (see below), whose sum is σ = 663524798976. Its totient is φ = 221137371252.

The previous prime is 442312304197. The next prime is 442312304243. The reversal of 442312304242 is 242403213244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (442312304243) 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, 9360978 + ... + 9408109.

It is an arithmetic number, because the mean of its divisors is an integer number (82940599872).

Almost surely, 2^442312304242 is an apocalyptic number.

442312304242 is a deficient number, since it is larger than the sum of its proper divisors (221212494734).

442312304242 is a wasteful number, since it uses less digits than its factorization.

442312304242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18780872.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 442312304242 its reverse (242403213244), we get a palindrome (684715517486).

The spelling of 442312304242 in words is "four hundred forty-two billion, three hundred twelve million, three hundred four thousand, two hundred forty-two".