210421404232 has 32 divisors (see below), whose sum is σ = 425387665080. Its totient is φ = 97003676160.

The previous prime is 210421404227. The next prime is 210421404233. The reversal of 210421404232 is 232404124012.

210421404232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 165725524836 + 44695879396 = 407094^2 + 211414^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210421404197 and 210421404206.

It is not an unprimeable number, because it can be changed into a prime (210421404233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097269 + ... + 1274692.

Almost surely, 2^210421404232 is an apocalyptic number.

It is an amenable number.

210421404232 is an abundant number, since it is smaller than the sum of its proper divisors (214966260848).

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

210421404232 is a wasteful number, since it uses less digits than its factorization.

210421404232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372833 (or 2372829 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 210421404232 its reverse (232404124012), we get a palindrome (442825528244).

The spelling of 210421404232 in words is "two hundred ten billion, four hundred twenty-one million, four hundred four thousand, two hundred thirty-two".