41218140 has 24 divisors (see below), whose sum is σ = 115410960. Its totient is φ = 10991488.

The previous prime is 41218129. The next prime is 41218141. The reversal of 41218140 is 4181214.

It is a happy number.

41218140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41218141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343425 + ... + 343544.

It is an arithmetic number, because the mean of its divisors is an integer number (4808790).

Almost surely, 2^41218140 is an apocalyptic number.

It is an amenable number.

41218140 is an abundant number, since it is smaller than the sum of its proper divisors (74192820).

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

41218140 is a wasteful number, since it uses less digits than its factorization.

41218140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686981 (or 686979 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 41218140 is about 6420.1355125885. The cubic root of 41218140 is about 345.4321825950.

Adding to 41218140 its reverse (4181214), we get a palindrome (45399354).

The spelling of 41218140 in words is "forty-one million, two hundred eighteen thousand, one hundred forty".