13240432242 has 12 divisors (see below), whose sum is σ = 28687603230. Its totient is φ = 4413477408.

The previous prime is 13240432229. The next prime is 13240432243. The reversal of 13240432242 is 24223404231.

13240432242 is a `hidden beast` number, since 1 + 32 + 404 + 3 + 224 + 2 = 666.

13240432242 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 only one way, i.e., 12225946041 + 1014486201 = 110571^2 + 31851^2 .

It is not an unprimeable number, because it can be changed into a prime (13240432243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367789767 + ... + 367789802.

Almost surely, 2^13240432242 is an apocalyptic number.

13240432242 is an abundant number, since it is smaller than the sum of its proper divisors (15447170988).

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

13240432242 is a wasteful number, since it uses less digits than its factorization.

13240432242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735579577 (or 735579574 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 13240432242 its reverse (24223404231), we get a palindrome (37463836473).

The spelling of 13240432242 in words is "thirteen billion, two hundred forty million, four hundred thirty-two thousand, two hundred forty-two".