13240434125420 has 48 divisors (see below), whose sum is σ = 28795415876640. Its totient is φ = 5107908900864.

The previous prime is 13240434125407. The next prime is 13240434125467. The reversal of 13240434125420 is 2452143404231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12058469 + ... + 13110588.

It is an arithmetic number, because the mean of its divisors is an integer number (599904497430).

Almost surely, 2^{13240434125420} is an apocalyptic number.

13240434125420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13240434125420 is an abundant number, since it is smaller than the sum of its proper divisors (15554981751220).

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

13240434125420 is a wasteful number, since it uses less digits than its factorization.

13240434125420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25170002 (or 25170000 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 13240434125420 its reverse (2452143404231), we get a palindrome (15692577529651).

The spelling of 13240434125420 in words is "thirteen trillion, two hundred forty billion, four hundred thirty-four million, one hundred twenty-five thousand, four hundred twenty".