13520243424 has 48 divisors (see below), whose sum is σ = 35513048592. Its totient is φ = 4503902208.

The previous prime is 13520243393. The next prime is 13520243437. The reversal of 13520243424 is 42434202531.

13520243424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 13520243391 and 13520243400.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 111192 + ... + 198504.

It is an arithmetic number, because the mean of its divisors is an integer number (739855179).

Almost surely, 2^13520243424 is an apocalyptic number.

It is an amenable number.

13520243424 is an abundant number, since it is smaller than the sum of its proper divisors (21992805168).

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

13520243424 is a wasteful number, since it uses less digits than its factorization.

13520243424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88939 (or 88931 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 13520243424 its reverse (42434202531), we get a palindrome (55954445955).

The spelling of 13520243424 in words is "thirteen billion, five hundred twenty million, two hundred forty-three thousand, four hundred twenty-four".