18468030336 has 128 divisors (see below), whose sum is σ = 56400744960. Its totient is φ = 5244856320.

The previous prime is 18468030323. The next prime is 18468030353. The reversal of 18468030336 is 63303086481.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428326 + ... + 469466.

It is an arithmetic number, because the mean of its divisors is an integer number (440630820).

Almost surely, 2^18468030336 is an apocalyptic number.

18468030336 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 18468030336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28200372480).

18468030336 is an abundant number, since it is smaller than the sum of its proper divisors (37932714624).

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

18468030336 is a wasteful number, since it uses less digits than its factorization.

18468030336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41332 (or 41320 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 18468030336 in words is "eighteen billion, four hundred sixty-eight million, thirty thousand, three hundred thirty-six".