4040220213 has 6 divisors (see below), whose sum is σ = 5835873654. Its totient is φ = 2693480136.

The previous prime is 4040220167. The next prime is 4040220253. The reversal of 4040220213 is 3120220404.

It can be written as a sum of positive squares in only one way, i.e., 3964843089 + 75377124 = 62967^2 + 8682^2 .

It is not a de Polignac number, because 4040220213 - 2²² = 4036025909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040220253) 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 5 ways as a sum of consecutive naturals, for example, 224456670 + ... + 224456687.

It is an arithmetic number, because the mean of its divisors is an integer number (972645609).

Almost surely, 2^4040220213 is an apocalyptic number.

It is an amenable number.

4040220213 is a deficient number, since it is larger than the sum of its proper divisors (1795653441).

4040220213 is a wasteful number, since it uses less digits than its factorization.

4040220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448913363 (or 448913360 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4040220213 is about 63562.7266013660. The cubic root of 4040220213 is about 1592.7037857616.

Adding to 4040220213 its reverse (3120220404), we get a palindrome (7160440617).

The spelling of 4040220213 in words is "four billion, forty million, two hundred twenty thousand, two hundred thirteen".