2440218 has 16 divisors (see below), whose sum is σ = 5324256. Its totient is φ = 739440.

The previous prime is 2440213. The next prime is 2440219. The reversal of 2440218 is 8120442.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2440194 and 2440203.

It is not an unprimeable number, because it can be changed into a prime (2440211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18421 + ... + 18552.

It is an arithmetic number, because the mean of its divisors is an integer number (332766).

2^2440218 is an apocalyptic number.

2440218 is an abundant number, since it is smaller than the sum of its proper divisors (2884038).

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

2440218 is a wasteful number, since it uses less digits than its factorization.

2440218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36989.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2440218 is about 1562.1197137224. The cubic root of 2440218 is about 134.6303191887.

The spelling of 2440218 in words is "two million, four hundred forty thousand, two hundred eighteen".