422128868008 has 16 divisors (see below), whose sum is σ = 801027672480. Its totient is φ = 208521488688.

The previous prime is 422128867991. The next prime is 422128868041. The reversal of 422128868008 is 800868821224.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317867460 + ... + 317868787.

It is an arithmetic number, because the mean of its divisors is an integer number (50064229530).

Almost surely, 2^422128868008 is an apocalyptic number.

It is an amenable number.

422128868008 is a deficient number, since it is larger than the sum of its proper divisors (378898804472).

422128868008 is a wasteful number, since it uses less digits than its factorization.

422128868008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635736336 (or 635736332 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 49.

The spelling of 422128868008 in words is "four hundred twenty-two billion, one hundred twenty-eight million, eight hundred sixty-eight thousand, eight".