21412402230 has 64 divisors (see below), whose sum is σ = 54379496448. Its totient is φ = 5384776320.

The previous prime is 21412402171. The next prime is 21412402237. The reversal of 21412402230 is 3220421412.

It is a junction number, because it is equal to n+sod(n) for n = 21412402197 and 21412402206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21412402237) 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, 169549 + ... + 267528.

It is an arithmetic number, because the mean of its divisors is an integer number (849679632).

Almost surely, 2^21412402230 is an apocalyptic number.

21412402230 is an abundant number, since it is smaller than the sum of its proper divisors (32967094218).

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

21412402230 is a wasteful number, since it uses less digits than its factorization.

21412402230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437181.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 21412402230 its reverse (3220421412), we get a palindrome (24632823642).

The spelling of 21412402230 in words is "twenty-one billion, four hundred twelve million, four hundred two thousand, two hundred thirty".