18265026 has 16 divisors (see below), whose sum is σ = 39340224. Its totient is φ = 5619984.

The previous prime is 18265001. The next prime is 18265031. The reversal of 18265026 is 62056281.

It is a super-2 number, since 2×18265026² = 667222349561352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18264984 and 18265002.

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, 117006 + ... + 117161.

It is an arithmetic number, because the mean of its divisors is an integer number (2458764).

Almost surely, 2^18265026 is an apocalyptic number.

18265026 is an abundant number, since it is smaller than the sum of its proper divisors (21075198).

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

18265026 is a wasteful number, since it uses less digits than its factorization.

18265026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234185.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 18265026 is about 4273.7601710906. The cubic root of 18265026 is about 263.3541086353.

The spelling of 18265026 in words is "eighteen million, two hundred sixty-five thousand, twenty-six".