18028265152 has 56 divisors (see below), whose sum is σ = 36561166400. Its totient is φ = 8818108416.

The previous prime is 18028265147. The next prime is 18028265161. The reversal of 18028265152 is 25156282081.

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, 534748 + ... + 567460.

Almost surely, 2^18028265152 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 18028265152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18280583200).

18028265152 is an abundant number, since it is smaller than the sum of its proper divisors (18532901248).

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

18028265152 is a wasteful number, since it uses less digits than its factorization.

18028265152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32913 (or 32903 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 40.

The spelling of 18028265152 in words is "eighteen billion, twenty-eight million, two hundred sixty-five thousand, one hundred fifty-two".