13240245524 has 24 divisors (see below), whose sum is σ = 26763706368. Its totient is φ = 5664275840.

The previous prime is 13240245523. The next prime is 13240245547. The reversal of 13240245524 is 42554204231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240245521) 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, 8849684 + ... + 8851179.

It is an arithmetic number, because the mean of its divisors is an integer number (1115154432).

Almost surely, 2^13240245524 is an apocalyptic number.

It is an amenable number.

13240245524 is an abundant number, since it is smaller than the sum of its proper divisors (13523460844).

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

13240245524 is a wasteful number, since it uses less digits than its factorization.

13240245524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17700895 (or 17700893 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 13240245524 its reverse (42554204231), we get a palindrome (55794449755).

The spelling of 13240245524 in words is "thirteen billion, two hundred forty million, two hundred forty-five thousand, five hundred twenty-four".