2440345213 has 2 divisors, whose sum is σ = 2440345214. Its totient is φ = 2440345212.

The previous prime is 2440345181. The next prime is 2440345231. The reversal of 2440345213 is 3125430442.

It is a happy number.

Together with next prime (2440345231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1607849604 + 832495609 = 40098^2 + 28853^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440345213 - 2⁵ = 2440345181 is a prime.

It is a super-2 number, since 2×2440345213² = 11910569517224030738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2440345253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220172606 + 1220172607.

It is an arithmetic number, because the mean of its divisors is an integer number (1220172607).

Almost surely, 2^2440345213 is an apocalyptic number.

It is an amenable number.

2440345213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440345213 is an equidigital number, since it uses as much as digits as its factorization.

2440345213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2440345213 is about 49399.8503337814. The cubic root of 2440345213 is about 1346.3265865579.

Adding to 2440345213 its reverse (3125430442), we get a palindrome (5565775655).

The spelling of 2440345213 in words is "two billion, four hundred forty million, three hundred forty-five thousand, two hundred thirteen".