18283378992 has 40 divisors (see below), whose sum is σ = 47238356016. Its totient is φ = 6093647616.

The previous prime is 18283378973. The next prime is 18283379017. The reversal of 18283378992 is 29987338281.

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 7 ways as a sum of consecutive naturals, for example, 418738 + ... + 460334.

Almost surely, 2^18283378992 is an apocalyptic number.

18283378992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18283378992 is an abundant number, since it is smaller than the sum of its proper divisors (28954977024).

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

18283378992 is a wasteful number, since it uses less digits than its factorization.

18283378992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50765 (or 50759 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 60.

The spelling of 18283378992 in words is "eighteen billion, two hundred eighty-three million, three hundred seventy-eight thousand, nine hundred ninety-two".