13213440204 has 24 divisors (see below), whose sum is σ = 30833553408. Its totient is φ = 4404166800.

The previous prime is 13213440173. The next prime is 13213440221. The reversal of 13213440204 is 40204431231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190429 + ... + 250379.

It is an arithmetic number, because the mean of its divisors is an integer number (1284731392).

Almost surely, 2^13213440204 is an apocalyptic number.

It is an amenable number.

13213440204 is an abundant number, since it is smaller than the sum of its proper divisors (17620113204).

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

13213440204 is a wasteful number, since it uses less digits than its factorization.

13213440204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78325 (or 78323 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13213440204 its reverse (40204431231), we get a palindrome (53417871435).

The spelling of 13213440204 in words is "thirteen billion, two hundred thirteen million, four hundred forty thousand, two hundred four".