2440404440213 has 2 divisors, whose sum is σ = 2440404440214. Its totient is φ = 2440404440212.

The previous prime is 2440404440191. The next prime is 2440404440233. The reversal of 2440404440213 is 3120444040442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2126633056804 + 313771383409 = 1458298^2 + 560153^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440404440213 - 2¹⁶ = 2440404374677 is a prime.

It is a super-2 number, since 2×2440404440213² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2440404440213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2440404440233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220202220106 + 1220202220107.

It is an arithmetic number, because the mean of its divisors is an integer number (1220202220107).

Almost surely, 2^{2440404440213} is an apocalyptic number.

It is an amenable number.

2440404440213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440404440213 is an equidigital number, since it uses as much as digits as its factorization.

2440404440213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 2440404440213 its reverse (3120444040442), we get a palindrome (5560848480655).

The spelling of 2440404440213 in words is "two trillion, four hundred forty billion, four hundred four million, four hundred forty thousand, two hundred thirteen".