422666086640 has 80 divisors (see below), whose sum is σ = 1141495481280. Its totient is φ = 142538434560.

The previous prime is 422666086637. The next prime is 422666086679. The reversal of 422666086640 is 46680666224.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent 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, 6152405 + ... + 6220724.

It is an arithmetic number, because the mean of its divisors is an integer number (14268693516).

Almost surely, 2^422666086640 is an apocalyptic number.

422666086640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422666086640 is an abundant number, since it is smaller than the sum of its proper divisors (718829394640).

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

422666086640 is a wasteful number, since it uses less digits than its factorization.

422666086640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12373210 (or 12373204 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 50.

The spelling of 422666086640 in words is "four hundred twenty-two billion, six hundred sixty-six million, eighty-six thousand, six hundred forty".