13856650540 has 12 divisors (see below), whose sum is σ = 29098966176. Its totient is φ = 5542660208.

The previous prime is 13856650531. The next prime is 13856650579. The reversal of 13856650540 is 4505665831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346416244 + ... + 346416283.

It is an arithmetic number, because the mean of its divisors is an integer number (2424913848).

Almost surely, 2^13856650540 is an apocalyptic number.

13856650540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13856650540 is an abundant number, since it is smaller than the sum of its proper divisors (15242315636).

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

13856650540 is a wasteful number, since it uses less digits than its factorization.

13856650540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692832536 (or 692832534 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 13856650540 in words is "thirteen billion, eight hundred fifty-six million, six hundred fifty thousand, five hundred forty".