13400242415 has 12 divisors (see below), whose sum is σ = 18705644856. Its totient is φ = 9188737488.

The previous prime is 13400242393. The next prime is 13400242433. The reversal of 13400242415 is 51424200431.

It is not a de Polignac number, because 13400242415 - 2⁶ = 13400242351 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 27347189 + ... + 27347678.

It is an arithmetic number, because the mean of its divisors is an integer number (1558803738).

Almost surely, 2^13400242415 is an apocalyptic number.

13400242415 is a deficient number, since it is larger than the sum of its proper divisors (5305402441).

13400242415 is an equidigital number, since it uses as much as digits as its factorization.

13400242415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54694886 (or 54694879 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 13400242415 its reverse (51424200431), we get a palindrome (64824442846).

The spelling of 13400242415 in words is "thirteen billion, four hundred million, two hundred forty-two thousand, four hundred fifteen".