18010426 has 16 divisors (see below), whose sum is σ = 32217984. Its totient is φ = 7383024.

The previous prime is 18010387. The next prime is 18010451. The reversal of 18010426 is 62401081.

It is a junction number, because it is equal to n+sod(n) for n = 18010397 and 18010406.

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 7 ways as a sum of consecutive naturals, for example, 27645 + ... + 28288.

It is an arithmetic number, because the mean of its divisors is an integer number (2013624).

Almost surely, 2^18010426 is an apocalyptic number.

18010426 is a deficient number, since it is larger than the sum of its proper divisors (14207558).

18010426 is a wasteful number, since it uses less digits than its factorization.

18010426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55965.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 18010426 is about 4243.8692251294. The cubic root of 18010426 is about 262.1247293763.

The spelling of 18010426 in words is "eighteen million, ten thousand, four hundred twenty-six".