18450026 has 32 divisors (see below), whose sum is σ = 33600000. Its totient is φ = 7422192.

The previous prime is 18450011. The next prime is 18450031. The reversal of 18450026 is 62005481.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18449977 and 18450004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36725 + ... + 37223.

It is an arithmetic number, because the mean of its divisors is an integer number (1050000).

Almost surely, 2^18450026 is an apocalyptic number.

18450026 is a deficient number, since it is larger than the sum of its proper divisors (15149974).

18450026 is a wasteful number, since it uses less digits than its factorization.

18450026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 18450026 is about 4295.3493455131. The cubic root of 18450026 is about 264.2402637483.

The spelling of 18450026 in words is "eighteen million, four hundred fifty thousand, twenty-six".