18850467984 has 20 divisors (see below), whose sum is σ = 48697042416. Its totient is φ = 6283489312.

The previous prime is 18850467953. The next prime is 18850468069. The reversal of 18850467984 is 48976405881.

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 3 ways as a sum of consecutive naturals, for example, 196358994 + ... + 196359089.

Almost surely, 2^18850467984 is an apocalyptic number.

It is an amenable number.

18850467984 is an abundant number, since it is smaller than the sum of its proper divisors (29846574432).

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

18850467984 is a wasteful number, since it uses less digits than its factorization.

18850467984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392718094 (or 392718088 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 18850467984 in words is "eighteen billion, eight hundred fifty million, four hundred sixty-seven thousand, nine hundred eighty-four".