18036000036 has 36 divisors (see below), whose sum is σ = 46017094032. Its totient is φ = 5955811824.

The previous prime is 18036000019. The next prime is 18036000049. The reversal of 18036000036 is 63000063081.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 18035999973 and 18036000009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2337270 + ... + 2344973.

It is an arithmetic number, because the mean of its divisors is an integer number (1278252612).

Almost surely, 2^18036000036 is an apocalyptic number.

It is an amenable number.

18036000036 is an abundant number, since it is smaller than the sum of its proper divisors (27981093996).

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

18036000036 is a wasteful number, since it uses less digits than its factorization.

18036000036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682360 (or 4682355 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 18036000036 in words is "eighteen billion, thirty-six million, thirty-six", and thus it is an aban number and an uban number.