18472180000 has 120 divisors (see below), whose sum is σ = 47837124720. Its totient is φ = 6999840000.

The previous prime is 18472179949. The next prime is 18472180009. The reversal of 18472180000 is 8127481.

It is not an unprimeable number, because it can be changed into a prime (18472180009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 355695 + ... + 404305.

It is an arithmetic number, because the mean of its divisors is an integer number (398642706).

Almost surely, 2^18472180000 is an apocalyptic number.

18472180000 is a gapful number since it is divisible by the number (10) 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 18472180000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23918562360).

18472180000 is an abundant number, since it is smaller than the sum of its proper divisors (29364944720).

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

18472180000 is an equidigital number, since it uses as much as digits as its factorization.

18472180000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48660 (or 48637 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The spelling of 18472180000 in words is "eighteen billion, four hundred seventy-two million, one hundred eighty thousand".