422563439682 has 128 divisors (see below), whose sum is σ = 973513728000. Its totient is φ = 135795502080.

The previous prime is 422563439671. The next prime is 422563439687. The reversal of 422563439682 is 286934365224.

422563439682 is a `hidden beast` number, since 42 + 2 + 563 + 4 + 39 + 6 + 8 + 2 = 666.

It is a super-2 number, since 2×422563439682² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (422563439687) 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, 43652919 + ... + 43662597.

It is an arithmetic number, because the mean of its divisors is an integer number (7605576000).

Almost surely, 2^422563439682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422563439682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486756864000).

422563439682 is an abundant number, since it is smaller than the sum of its proper divisors (550950288318).

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

422563439682 is a wasteful number, since it uses less digits than its factorization.

422563439682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10013 (or 10007 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 54.

The spelling of 422563439682 in words is "four hundred twenty-two billion, five hundred sixty-three million, four hundred thirty-nine thousand, six hundred eighty-two".