442604242 has 8 divisors (see below), whose sum is σ = 664079616. Its totient is φ = 221244372.

The previous prime is 442604213. The next prime is 442604251. The reversal of 442604242 is 242406244.

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

It is a self number, because there is not a number n which added to its sum of digits gives 442604242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18558 + ... + 35065.

It is an arithmetic number, because the mean of its divisors is an integer number (83009952).

Almost surely, 2^442604242 is an apocalyptic number.

442604242 is a deficient number, since it is larger than the sum of its proper divisors (221475374).

442604242 is a wasteful number, since it uses less digits than its factorization.

442604242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57752.

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 442604242 is about 21038.1615641672. The cubic root of 442604242 is about 762.0881183932.

The spelling of 442604242 in words is "four hundred forty-two million, six hundred four thousand, two hundred forty-two".