422636643342 has 48 divisors (see below), whose sum is σ = 932610397680. Its totient is φ = 138286302336.

The previous prime is 422636643301. The next prime is 422636643367. The reversal of 422636643342 is 243346636224.

422636643342 is a `hidden beast` number, since 4 + 2 + 2 + 636 + 6 + 4 + 3 + 3 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 425058 + ... + 1012890.

It is an arithmetic number, because the mean of its divisors is an integer number (19429383285).

Almost surely, 2^422636643342 is an apocalyptic number.

422636643342 is an abundant number, since it is smaller than the sum of its proper divisors (509973754338).

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

422636643342 is a wasteful number, since it uses less digits than its factorization.

422636643342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588577 (or 588574 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 45.

The spelling of 422636643342 in words is "four hundred twenty-two billion, six hundred thirty-six million, six hundred forty-three thousand, three hundred forty-two".