41865018 has 96 divisors (see below), whose sum is σ = 99610560. Its totient is φ = 11681280.

The previous prime is 41865011. The next prime is 41865029. The reversal of 41865018 is 81056814.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 41865018.

It is not an unprimeable number, because it can be changed into a prime (41865011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 789880 + ... + 789932.

It is an arithmetic number, because the mean of its divisors is an integer number (1037610).

Almost surely, 2^41865018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41865018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49805280).

41865018 is an abundant number, since it is smaller than the sum of its proper divisors (57745542).

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

41865018 is a wasteful number, since it uses less digits than its factorization.

41865018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 41865018 is about 6470.3182301955. The cubic root of 41865018 is about 347.2298830789.

The spelling of 41865018 in words is "forty-one million, eight hundred sixty-five thousand, eighteen".