3040505605 has 4 divisors (see below), whose sum is σ = 3648606732. Its totient is φ = 2432404480.

The previous prime is 3040505597. The next prime is 3040505653. The reversal of 3040505605 is 5065050403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5065050403 = 7 ⋅723578629.

It can be written as a sum of positive squares in 2 ways, for example, as 1019014084 + 2021491521 = 31922^2 + 44961^2 .

It is not a de Polignac number, because 3040505605 - 2³ = 3040505597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 304050556 + ... + 304050565.

It is an arithmetic number, because the mean of its divisors is an integer number (912151683).

Almost surely, 2^3040505605 is an apocalyptic number.

It is an amenable number.

3040505605 is a deficient number, since it is larger than the sum of its proper divisors (608101127).

3040505605 is an equidigital number, since it uses as much as digits as its factorization.

3040505605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608101126.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 3040505605 is about 55140.7798729760. The cubic root of 3040505605 is about 1448.7115951161.

The spelling of 3040505605 in words is "three billion, forty million, five hundred five thousand, six hundred five".