18468027008 has 64 divisors (see below), whose sum is σ = 38422192320. Its totient is φ = 8825456640.

The previous prime is 18468026963. The next prime is 18468027041. The reversal of 18468027008 is 80072086481.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 18468027008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6761003 + ... + 6763733.

It is an arithmetic number, because the mean of its divisors is an integer number (600346755).

Almost surely, 2^18468027008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18468027008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19211096160).

18468027008 is an abundant number, since it is smaller than the sum of its proper divisors (19954165312).

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

18468027008 is a wasteful number, since it uses less digits than its factorization.

18468027008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065 (or 5053 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The spelling of 18468027008 in words is "eighteen billion, four hundred sixty-eight million, twenty-seven thousand, eight".