18030026358 has 20 divisors (see below), whose sum is σ = 40400614980. Its totient is φ = 6010008732.

The previous prime is 18030026323. The next prime is 18030026369. The reversal of 18030026358 is 85362003081.

18030026358 is a `hidden beast` number, since 18 + 0 + 3 + 0 + 0 + 2 + 635 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55648068 + ... + 55648391.

It is an arithmetic number, because the mean of its divisors is an integer number (2020030749).

Almost surely, 2^18030026358 is an apocalyptic number.

18030026358 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

18030026358 is an abundant number, since it is smaller than the sum of its proper divisors (22370588622).

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

18030026358 is a wasteful number, since it uses less digits than its factorization.

18030026358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111296473 (or 111296464 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 18030026358 in words is "eighteen billion, thirty million, twenty-six thousand, three hundred fifty-eight".