422642466064 has 80 divisors (see below), whose sum is σ = 1008176722560. Its totient is φ = 167143311360.

The previous prime is 422642466049. The next prime is 422642466107. The reversal of 422642466064 is 460664246224.

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, 4450599 + ... + 4544569.

It is an arithmetic number, because the mean of its divisors is an integer number (12602209032).

Almost surely, 2^422642466064 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 422642466064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504088361280).

422642466064 is an abundant number, since it is smaller than the sum of its proper divisors (585534256496).

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

422642466064 is a wasteful number, since it uses less digits than its factorization.

422642466064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97088 (or 97082 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 422642466064 in words is "four hundred twenty-two billion, six hundred forty-two million, four hundred sixty-six thousand, sixty-four".