18064026 has 48 divisors (see below), whose sum is σ = 41352000. Its totient is φ = 5844960.

The previous prime is 18064009. The next prime is 18064031. The reversal of 18064026 is 62046081.

18064026 is a `hidden beast` number, since 18 + 0 + 640 + 2 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 23 ways as a sum of consecutive naturals, for example, 90675 + ... + 90873.

It is an arithmetic number, because the mean of its divisors is an integer number (861500).

Almost surely, 2^18064026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18064026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20676000).

18064026 is an abundant number, since it is smaller than the sum of its proper divisors (23287974).

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

18064026 is a wasteful number, since it uses less digits than its factorization.

18064026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 18064026 is about 4250.1795256201. The cubic root of 18064026 is about 262.3845042933.

It can be divided in two parts, 1806 and 4026, that added together give a cube (5832 = 18³).

The spelling of 18064026 in words is "eighteen million, sixty-four thousand, twenty-six".