13400242112 has 28 divisors (see below), whose sum is σ = 28155290400. Its totient is φ = 6305995776.

The previous prime is 13400242111. The next prime is 13400242171. The reversal of 13400242112 is 21124200431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13400242111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6157112 + ... + 6159287.

Almost surely, 2^13400242112 is an apocalyptic number.

It is an amenable number.

13400242112 is an abundant number, since it is smaller than the sum of its proper divisors (14755048288).

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

13400242112 is a wasteful number, since it uses less digits than its factorization.

13400242112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12316428 (or 12316418 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 13400242112 its reverse (21124200431), we get a palindrome (34524442543).

The spelling of 13400242112 in words is "thirteen billion, four hundred million, two hundred forty-two thousand, one hundred twelve".