18260230028 has 24 divisors (see below), whose sum is σ = 32315105760. Its totient is φ = 9027728640.

The previous prime is 18260230019. The next prime is 18260230073. The reversal of 18260230028 is 82003206281.

It is a junction number, because it is equal to n+sod(n) for n = 18260229976 and 18260230003.

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, 142313 + ... + 238271.

It is an arithmetic number, because the mean of its divisors is an integer number (1346462740).

Almost surely, 2^18260230028 is an apocalyptic number.

It is an amenable number.

18260230028 is a deficient number, since it is larger than the sum of its proper divisors (14054875732).

18260230028 is a wasteful number, since it uses less digits than its factorization.

18260230028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96497 (or 96495 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 18260230028 in words is "eighteen billion, two hundred sixty million, two hundred thirty thousand, twenty-eight".