18852985392 has 80 divisors (see below), whose sum is σ = 49943990880. Its totient is φ = 6124595200.

The previous prime is 18852985387. The next prime is 18852985423. The reversal of 18852985392 is 29358925881.

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 15 ways as a sum of consecutive naturals, for example, 2083534 + ... + 2092562.

It is an arithmetic number, because the mean of its divisors is an integer number (624299886).

Almost surely, 2^18852985392 is an apocalyptic number.

18852985392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18852985392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24971995440).

18852985392 is an abundant number, since it is smaller than the sum of its proper divisors (31091005488).

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

18852985392 is a wasteful number, since it uses less digits than its factorization.

18852985392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142 (or 10136 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 60.

The spelling of 18852985392 in words is "eighteen billion, eight hundred fifty-two million, nine hundred eighty-five thousand, three hundred ninety-two".