18000033036 has 48 divisors (see below), whose sum is σ = 44895126528. Its totient is φ = 5599158400.

The previous prime is 18000033019. The next prime is 18000033071. The reversal of 18000033036 is 63033000081.

It is a super-3 number, since 3×18000033036³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18000032997 and 18000033015.

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, 784020 + ... + 806651.

It is an arithmetic number, because the mean of its divisors is an integer number (935315136).

Almost surely, 2^18000033036 is an apocalyptic number.

It is an amenable number.

18000033036 is an abundant number, since it is smaller than the sum of its proper divisors (26895093492).

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

18000033036 is a wasteful number, since it uses less digits than its factorization.

18000033036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590742 (or 1590740 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The spelling of 18000033036 in words is "eighteen billion, thirty-three thousand, thirty-six".