442420231031234 has 8 divisors (see below), whose sum is σ = 663843801154620. Its totient is φ = 221138963979696.

The previous prime is 442420231031213. The next prime is 442420231031281. The reversal of 442420231031234 is 432130132024244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 318002871043225 + 124417359988009 = 17832635^2 + 11154253^2 .

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 = 442420231031194 and 442420231031203.

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, 35575760189 + ... + 35575772624.

Almost surely, 2^{442420231031234} is an apocalyptic number.

442420231031234 is a deficient number, since it is larger than the sum of its proper divisors (221423570123386).

442420231031234 is a wasteful number, since it uses less digits than its factorization.

442420231031234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71151535924.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 442420231031234 its reverse (432130132024244), we get a palindrome (874550363055478).

The spelling of 442420231031234 in words is "four hundred forty-two trillion, four hundred twenty billion, two hundred thirty-one million, thirty-one thousand, two hundred thirty-four".