18041264 has 20 divisors (see below), whose sum is σ = 35060256. Its totient is φ = 8993472.

The previous prime is 18041263. The next prime is 18041323. The reversal of 18041264 is 46214081.

It is not an unprimeable number, because it can be changed into a prime (18041263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4457 + ... + 7479.

Almost surely, 2^18041264 is an apocalyptic number.

It is an amenable number.

18041264 is a deficient number, since it is larger than the sum of its proper divisors (17018992).

18041264 is a wasteful number, since it uses less digits than its factorization.

18041264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404 (or 3398 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 18041264 is about 4247.5009123013. The cubic root of 18041264 is about 262.2742500528.

The spelling of 18041264 in words is "eighteen million, forty-one thousand, two hundred sixty-four".