18281872818230 has 96 divisors (see below), whose sum is σ = 39217462109280. Its totient is φ = 6114598264320.

The previous prime is 18281872818211. The next prime is 18281872818311. The reversal of 18281872818230 is 3281827818281.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18281872818230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239695841 + ... + 239772099.

It is an arithmetic number, because the mean of its divisors is an integer number (408515230305).

Almost surely, 2^{18281872818230} is an apocalyptic number.

18281872818230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18281872818230 is an abundant number, since it is smaller than the sum of its proper divisors (20935589291050).

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

18281872818230 is a wasteful number, since it uses less digits than its factorization.

18281872818230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88254 (or 88247 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 59.

The spelling of 18281872818230 in words is "eighteen trillion, two hundred eighty-one billion, eight hundred seventy-two million, eight hundred eighteen thousand, two hundred thirty".