442330142342 has 8 divisors (see below), whose sum is σ = 723812960232. Its totient is φ = 201059155600.

The previous prime is 442330142299. The next prime is 442330142413. The reversal of 442330142342 is 243241033244.

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 = 442330142299 and 442330142308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10052957759 + ... + 10052957802.

It is an arithmetic number, because the mean of its divisors is an integer number (90476620029).

Almost surely, 2^442330142342 is an apocalyptic number.

442330142342 is a deficient number, since it is larger than the sum of its proper divisors (281482817890).

442330142342 is a wasteful number, since it uses less digits than its factorization.

442330142342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20105915574.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 442330142342 its reverse (243241033244), we get a palindrome (685571175586).

The spelling of 442330142342 in words is "four hundred forty-two billion, three hundred thirty million, one hundred forty-two thousand, three hundred forty-two".