13400412140 has 12 divisors (see below), whose sum is σ = 28140865536. Its totient is φ = 5360164848.

The previous prime is 13400412139. The next prime is 13400412143. The reversal of 13400412140 is 4121400431.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 670020607 = 13400412140 / (1 + 3 + 4 + 0 + 0 + 4 + 1 + 2 + 1 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (13400412143) 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, 335010284 + ... + 335010323.

It is an arithmetic number, because the mean of its divisors is an integer number (2345072128).

Almost surely, 2^13400412140 is an apocalyptic number.

13400412140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13400412140 is an abundant number, since it is smaller than the sum of its proper divisors (14740453396).

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

13400412140 is a wasteful number, since it uses less digits than its factorization.

13400412140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670020616 (or 670020614 counting only the distinct ones).

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

Adding to 13400412140 its reverse (4121400431), we get a palindrome (17521812571).

The spelling of 13400412140 in words is "thirteen billion, four hundred million, four hundred twelve thousand, one hundred forty".