422638830432 has 192 divisors, whose sum is σ = 1517165314560. Its totient is φ = 111465165312.

The previous prime is 422638830431. The next prime is 422638830457. The reversal of 422638830432 is 234038836224.

422638830432 is a `hidden beast` number, since 4 + 2 + 2 + 638 + 8 + 3 + 0 + 4 + 3 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422638830431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2609098 + ... + 2766345.

It is an arithmetic number, because the mean of its divisors is an integer number (7901902680).

Almost surely, 2^422638830432 is an apocalyptic number.

422638830432 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

422638830432 is an abundant number, since it is smaller than the sum of its proper divisors (1094526484128).

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

422638830432 is a wasteful number, since it uses less digits than its factorization.

422638830432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375482 (or 5375468 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 422638830432 in words is "four hundred twenty-two billion, six hundred thirty-eight million, eight hundred thirty thousand, four hundred thirty-two".