18018000324 has 144 divisors (see below), whose sum is σ = 50736067200. Its totient is φ = 5364968448.

The previous prime is 18018000317. The next prime is 18018000361. The reversal of 18018000324 is 42300081081.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1038529 + ... + 1055735.

It is an arithmetic number, because the mean of its divisors is an integer number (352333800).

Almost surely, 2^18018000324 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 18018000324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25368033600).

18018000324 is an abundant number, since it is smaller than the sum of its proper divisors (32718066876).

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

18018000324 is a wasteful number, since it uses less digits than its factorization.

18018000324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17322 (or 17317 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The spelling of 18018000324 in words is "eighteen billion, eighteen million, three hundred twenty-four", and thus it is an aban number.