18023886748 has 12 divisors (see below), whose sum is σ = 36047773552. Its totient is φ = 7724522880.

The previous prime is 18023886743. The next prime is 18023886763. The reversal of 18023886748 is 84768832081.

18023886748 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18023886743) 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, 321855093 + ... + 321855148.

Almost surely, 2^18023886748 is an apocalyptic number.

It is an amenable number.

18023886748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18023886748 is a wasteful number, since it uses less digits than its factorization.

18023886748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643710252 (or 643710250 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 55.

The spelling of 18023886748 in words is "eighteen billion, twenty-three million, eight hundred eighty-six thousand, seven hundred forty-eight".