442304042 has 8 divisors (see below), whose sum is σ = 669897696. Its totient is φ = 219004812.

The previous prime is 442304041. The next prime is 442304069. The reversal of 442304042 is 240403244.

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

It is a junction number, because it is equal to n+sod(n) for n = 442303999 and 442304017.

It is not an unprimeable number, because it can be changed into a prime (442304041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073348 + ... + 1073759.

It is an arithmetic number, because the mean of its divisors is an integer number (83737212).

Almost surely, 2^442304042 is an apocalyptic number.

442304042 is a deficient number, since it is larger than the sum of its proper divisors (227593654).

442304042 is a wasteful number, since it uses less digits than its factorization.

442304042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147212.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 442304042 is about 21031.0257001412. The cubic root of 442304042 is about 761.9157818943.

Adding to 442304042 its reverse (240403244), we get a palindrome (682707286).

The spelling of 442304042 in words is "four hundred forty-two million, three hundred four thousand, forty-two".