3340740449 has 2 divisors, whose sum is σ = 3340740450. Its totient is φ = 3340740448.

The previous prime is 3340740443. The next prime is 3340740503. The reversal of 3340740449 is 9440470433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2417492224 + 923248225 = 49168^2 + 30385^2 .

It is a cyclic number.

It is not a de Polignac number, because 3340740449 - 2¹² = 3340736353 is a prime.

It is a super-2 number, since 2×3340740449² = 22321093495169443202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3340740443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1670370224 + 1670370225.

It is an arithmetic number, because the mean of its divisors is an integer number (1670370225).

Almost surely, 2^3340740449 is an apocalyptic number.

It is an amenable number.

3340740449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3340740449 is an equidigital number, since it uses as much as digits as its factorization.

3340740449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 3340740449 is about 57799.1388257645. The cubic root of 3340740449 is about 1494.9072397266.

The spelling of 3340740449 in words is "three billion, three hundred forty million, seven hundred forty thousand, four hundred forty-nine".