422361375872 has 216 divisors, whose sum is σ = 932144426955. Its totient is φ = 190582087680.

The previous prime is 422361375869. The next prime is 422361375913. The reversal of 422361375872 is 278573163224.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 388408154176 + 33953221696 = 623224^2 + 184264^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=459544.

It is a self number, because there is not a number n which added to its sum of digits gives 422361375872.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3874874954 + ... + 3874875062.

Almost surely, 2^422361375872 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 422361375872

422361375872 is an abundant number, since it is smaller than the sum of its proper divisors (509783051083).

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

422361375872 is an equidigital number, since it uses as much as digits as its factorization.

422361375872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 159 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 50.

Multiplying 422361375872 by its sum of digits (50), we get a square (21118068793600 = 4595440²).

The spelling of 422361375872 in words is "four hundred twenty-two billion, three hundred sixty-one million, three hundred seventy-five thousand, eight hundred seventy-two".