18490033230 has 48 divisors (see below), whose sum is σ = 44564092272. Its totient is φ = 4909811200.

The previous prime is 18490033229. The next prime is 18490033279. The reversal of 18490033230 is 3233009481.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18490033191 and 18490033200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12484090 + ... + 12485570.

It is an arithmetic number, because the mean of its divisors is an integer number (928418589).

Almost surely, 2^18490033230 is an apocalyptic number.

18490033230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18490033230 is an abundant number, since it is smaller than the sum of its proper divisors (26074059042).

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

18490033230 is an equidigital number, since it uses as much as digits as its factorization.

18490033230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253 (or 1772 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

It can be divided in two parts, 184900 and 33230, that added together give a triangular number (218130 = T₆₆₀).

The spelling of 18490033230 in words is "eighteen billion, four hundred ninety million, thirty-three thousand, two hundred thirty".