13855023810 has 64 divisors (see below), whose sum is σ = 37847900160. Its totient is φ = 3604556160.

The previous prime is 13855023773. The next prime is 13855023841. The reversal of 13855023810 is 1832055831.

13855023810 is a `hidden beast` number, since 1 + 3 + 8 + 550 + 23 + 81 + 0 = 666.

13855023810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13855023810² (a number of 21 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 614722 + ... + 636861.

It is an arithmetic number, because the mean of its divisors is an integer number (591373440).

Almost surely, 2^13855023810 is an apocalyptic number.

13855023810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13855023810 is an abundant number, since it is smaller than the sum of its proper divisors (23992876350).

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

13855023810 is a wasteful number, since it uses less digits than its factorization.

13855023810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251640 (or 1251634 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 13855023810 in words is "thirteen billion, eight hundred fifty-five million, twenty-three thousand, eight hundred ten".