442004412134 has 4 divisors (see below), whose sum is σ = 663006618204. Its totient is φ = 221002206066.

The previous prime is 442004412127. The next prime is 442004412167. The reversal of 442004412134 is 431214400244.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 442004412097 and 442004412106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110501103032 + ... + 110501103035.

It is an arithmetic number, because the mean of its divisors is an integer number (165751654551).

Almost surely, 2^442004412134 is an apocalyptic number.

442004412134 is a deficient number, since it is larger than the sum of its proper divisors (221002206070).

442004412134 is a wasteful number, since it uses less digits than its factorization.

442004412134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221002206069.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 442004412134 its reverse (431214400244), we get a palindrome (873218812378).

The spelling of 442004412134 in words is "four hundred forty-two billion, four million, four hundred twelve thousand, one hundred thirty-four".