442826866422 has 12 divisors (see below), whose sum is σ = 959458210620. Its totient is φ = 147608955468.

The previous prime is 442826866397. The next prime is 442826866453. The reversal of 442826866422 is 224668628244.

442826866422 is a `hidden beast` number, since 442 + 82 + 6 + 86 + 6 + 42 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 12300746272 + ... + 12300746307.

It is an arithmetic number, because the mean of its divisors is an integer number (79954850885).

Almost surely, 2^442826866422 is an apocalyptic number.

442826866422 is an abundant number, since it is smaller than the sum of its proper divisors (516631344198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442826866422 is a wasteful number, since it uses less digits than its factorization.

442826866422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24601492587 (or 24601492584 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 54.

The spelling of 442826866422 in words is "four hundred forty-two billion, eight hundred twenty-six million, eight hundred sixty-six thousand, four hundred twenty-two".