2240400211 has 4 divisors (see below), whose sum is σ = 2560457392. Its totient is φ = 1920343032.

The previous prime is 2240400179. The next prime is 2240400223. The reversal of 2240400211 is 1120040422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2240400211 - 2⁵ = 2240400179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240400241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160028580 + ... + 160028593.

It is an arithmetic number, because the mean of its divisors is an integer number (640114348).

Almost surely, 2^2240400211 is an apocalyptic number.

2240400211 is a deficient number, since it is larger than the sum of its proper divisors (320057181).

2240400211 is an equidigital number, since it uses as much as digits as its factorization.

2240400211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320057180.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2240400211 is about 47332.8660763322. The cubic root of 2240400211 is about 1308.5044430494.

Adding to 2240400211 its reverse (1120040422), we get a palindrome (3360440633).

The spelling of 2240400211 in words is "two billion, two hundred forty million, four hundred thousand, two hundred eleven".