305240520041 has 16 divisors (see below), whose sum is σ = 311718988224. Its totient is φ = 298836486144.

The previous prime is 305240520031. The next prime is 305240520047. The reversal of 305240520041 is 140025042503.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305240520041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305240520047) 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 15 ways as a sum of consecutive naturals, for example, 6537806 + ... + 6584328.

It is an arithmetic number, because the mean of its divisors is an integer number (19482436764).

Almost surely, 2^305240520041 is an apocalyptic number.

It is an amenable number.

305240520041 is a deficient number, since it is larger than the sum of its proper divisors (6478468183).

305240520041 is a wasteful number, since it uses less digits than its factorization.

305240520041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47320.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 305240520041 its reverse (140025042503), we get a palindrome (445265562544).

The spelling of 305240520041 in words is "three hundred five billion, two hundred forty million, five hundred twenty thousand, forty-one".