18041258 has 8 divisors (see below), whose sum is σ = 27121728. Its totient is φ = 9000684.

The previous prime is 18041251. The next prime is 18041263. The reversal of 18041258 is 85214081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 18041258.

It is not an unprimeable number, because it can be changed into a prime (18041251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8816 + ... + 10667.

It is an arithmetic number, because the mean of its divisors is an integer number (3390216).

Almost surely, 2^18041258 is an apocalyptic number.

18041258 is a deficient number, since it is larger than the sum of its proper divisors (9080470).

18041258 is a wasteful number, since it uses less digits than its factorization.

18041258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19948.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 18041258 is about 4247.5002060035. The cubic root of 18041258 is about 262.2742209779.

The spelling of 18041258 in words is "eighteen million, forty-one thousand, two hundred fifty-eight".