18484494336 has 612 divisors, whose sum is σ = 68893014736. Its totient is φ = 4671406080.

The previous prime is 18484494319. The next prime is 18484494359. The reversal of 18484494336 is 63349448481.

18484494336 is a `hidden beast` number, since 184 + 8 + 44 + 94 + 336 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 499580910 + ... + 499580946.

Almost surely, 2^18484494336 is an apocalyptic number.

18484494336 is a gapful number since it is divisible by the number (16) 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 18484494336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34446507368).

18484494336 is an abundant number, since it is smaller than the sum of its proper divisors (50408520400).

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

18484494336 is an equidigital number, since it uses as much as digits as its factorization.

18484494336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 60 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The spelling of 18484494336 in words is "eighteen billion, four hundred eighty-four million, four hundred ninety-four thousand, three hundred thirty-six".