13242431240 has 64 divisors (see below), whose sum is σ = 32163091200. Its totient is φ = 4891946752.

The previous prime is 13242431219. The next prime is 13242431249. The reversal of 13242431240 is 4213424231.

13242431240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13242431240² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13242431249) 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 15 ways as a sum of consecutive naturals, for example, 221492 + ... + 274851.

It is an arithmetic number, because the mean of its divisors is an integer number (502548300).

Almost surely, 2^13242431240 is an apocalyptic number.

13242431240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13242431240 is an abundant number, since it is smaller than the sum of its proper divisors (18920659960).

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

13242431240 is a wasteful number, since it uses less digits than its factorization.

13242431240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496406 (or 496402 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13242431240 its reverse (4213424231), we get a palindrome (17455855471).

The spelling of 13242431240 in words is "thirteen billion, two hundred forty-two million, four hundred thirty-one thousand, two hundred forty".