18041450 has 48 divisors (see below), whose sum is σ = 40384320. Its totient is φ = 5857920.

The previous prime is 18041449. The next prime is 18041483. The reversal of 18041450 is 5414081.

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, 5294 + ... + 8006.

It is an arithmetic number, because the mean of its divisors is an integer number (841340).

Almost surely, 2^18041450 is an apocalyptic number.

18041450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18041450 is an abundant number, since it is smaller than the sum of its proper divisors (22342870).

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

18041450 is a wasteful number, since it uses less digits than its factorization.

18041450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751 (or 2746 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 18041450 is about 4247.5228074726. The cubic root of 18041450 is about 262.2751513726.

The spelling of 18041450 in words is "eighteen million, forty-one thousand, four hundred fifty".