18028053708 has 48 divisors (see below), whose sum is σ = 50605067520. Its totient is φ = 4879773504.

The previous prime is 18028053697. The next prime is 18028053713. The reversal of 18028053708 is 80735082081.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 18028053708.

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, 5646291 + ... + 5649482.

It is an arithmetic number, because the mean of its divisors is an integer number (1054272240).

Almost surely, 2^18028053708 is an apocalyptic number.

It is an amenable number.

18028053708 is an abundant number, since it is smaller than the sum of its proper divisors (32577013812).

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

18028053708 is a wasteful number, since it uses less digits than its factorization.

18028053708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11295806 (or 11295804 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 18028053708 in words is "eighteen billion, twenty-eight million, fifty-three thousand, seven hundred eight".