13681042840 has 16 divisors (see below), whose sum is σ = 30782346480. Its totient is φ = 5472417120.

The previous prime is 13681042829. The next prime is 13681042889. The reversal of 13681042840 is 4824018631.

13681042840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13681042840.

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 3 ways as a sum of consecutive naturals, for example, 171012996 + ... + 171013075.

It is an arithmetic number, because the mean of its divisors is an integer number (1923896655).

Almost surely, 2^13681042840 is an apocalyptic number.

13681042840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13681042840 is an abundant number, since it is smaller than the sum of its proper divisors (17101303640).

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

13681042840 is a wasteful number, since it uses less digits than its factorization.

13681042840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342026082 (or 342026078 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 13681042840 in words is "thirteen billion, six hundred eighty-one million, forty-two thousand, eight hundred forty".