422746288140 has 192 divisors, whose sum is σ = 1298504309760. Its totient is φ = 101913154560.

The previous prime is 422746288093. The next prime is 422746288187. The reversal of 422746288140 is 41882647224.

It is an interprime number because it is at equal distance from previous prime (422746288093) and next prime (422746288187).

It is a super-2 number, since 2×422746288140² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422746288140.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 218698614 + ... + 218700546.

It is an arithmetic number, because the mean of its divisors is an integer number (6763043280).

Almost surely, 2^422746288140 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 422746288140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649252154880).

422746288140 is an abundant number, since it is smaller than the sum of its proper divisors (875758021620).

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

422746288140 is a wasteful number, since it uses less digits than its factorization.

422746288140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632 (or 3630 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 48.

The spelling of 422746288140 in words is "four hundred twenty-two billion, seven hundred forty-six million, two hundred eighty-eight thousand, one hundred forty".