422939863368 has 256 divisors, whose sum is σ = 1318744627200. Its totient is φ = 124485984000.

The previous prime is 422939863361. The next prime is 422939863391. The reversal of 422939863368 is 863368939224.

422939863368 is a `hidden beast` number, since 4 + 2 + 293 + 9 + 8 + 6 + 336 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (422939863361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18480973 + ... + 18503843.

It is an arithmetic number, because the mean of its divisors is an integer number (5151346200).

Almost surely, 2^422939863368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422939863368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659372313600).

422939863368 is an abundant number, since it is smaller than the sum of its proper divisors (895804763832).

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

422939863368 is a wasteful number, since it uses less digits than its factorization.

422939863368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23121 (or 23111 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 63.

The spelling of 422939863368 in words is "four hundred twenty-two billion, nine hundred thirty-nine million, eight hundred sixty-three thousand, three hundred sixty-eight".