421404122232 has 192 divisors, whose sum is σ = 1210634880000. Its totient is φ = 132052902912.

The previous prime is 421404122197. The next prime is 421404122273. The reversal of 421404122232 is 232221404124.

It is a happy number.

421404122232 is a `hidden beast` number, since 4 + 2 + 1 + 404 + 1 + 22 + 232 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 421404122196 and 421404122205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102804519 + ... + 102808617.

It is an arithmetic number, because the mean of its divisors is an integer number (6305390000).

Almost surely, 2^421404122232 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 421404122232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605317440000).

421404122232 is an abundant number, since it is smaller than the sum of its proper divisors (789230757768).

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

421404122232 is a wasteful number, since it uses less digits than its factorization.

421404122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690 (or 4683 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 421404122232 its reverse (232221404124), we get a palindrome (653625526356).

The spelling of 421404122232 in words is "four hundred twenty-one billion, four hundred four million, one hundred twenty-two thousand, two hundred thirty-two".