18041740 has 12 divisors (see below), whose sum is σ = 37887696. Its totient is φ = 7216688.

The previous prime is 18041711. The next prime is 18041753. The reversal of 18041740 is 4714081.

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 3 ways as a sum of consecutive naturals, for example, 451024 + ... + 451063.

It is an arithmetic number, because the mean of its divisors is an integer number (3157308).

Almost surely, 2^18041740 is an apocalyptic number.

18041740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18041740 is an abundant number, since it is smaller than the sum of its proper divisors (19845956).

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

18041740 is a wasteful number, since it uses less digits than its factorization.

18041740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902096 (or 902094 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 18041740 is about 4247.5569448802. The cubic root of 18041740 is about 262.2765566437.

It can be divided in two parts, 18041 and 740, that added together give a palindrome (18781).

The spelling of 18041740 in words is "eighteen million, forty-one thousand, seven hundred forty".