213352405404 has 24 divisors (see below), whose sum is σ = 497960014608. Its totient is φ = 71097792000.

The previous prime is 213352405403. The next prime is 213352405417. The reversal of 213352405404 is 404504253312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213352405403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2414347 + ... + 2501154.

It is an arithmetic number, because the mean of its divisors is an integer number (20748333942).

Almost surely, 2^213352405404 is an apocalyptic number.

It is an amenable number.

213352405404 is an abundant number, since it is smaller than the sum of its proper divisors (284607609204).

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

213352405404 is a wasteful number, since it uses less digits than its factorization.

213352405404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919125 (or 4919123 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 213352405404 its reverse (404504253312), we get a palindrome (617856658716).

The spelling of 213352405404 in words is "two hundred thirteen billion, three hundred fifty-two million, four hundred five thousand, four hundred four".