422908561668 has 48 divisors (see below), whose sum is σ = 990921072960. Its totient is φ = 140379120000.

The previous prime is 422908561643. The next prime is 422908561681. The reversal of 422908561668 is 866165809224.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18750478 + ... + 18773018.

It is an arithmetic number, because the mean of its divisors is an integer number (20644189020).

Almost surely, 2^422908561668 is an apocalyptic number.

It is an amenable number.

422908561668 is an abundant number, since it is smaller than the sum of its proper divisors (568012511292).

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

422908561668 is a wasteful number, since it uses less digits than its factorization.

422908561668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29028 (or 29026 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 422908561668 in words is "four hundred twenty-two billion, nine hundred eight million, five hundred sixty-one thousand, six hundred sixty-eight".