305242424 has 16 divisors (see below), whose sum is σ = 572663520. Its totient is φ = 152532160.

The previous prime is 305242387. The next prime is 305242477. The reversal of 305242424 is 424242503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 305242393 and 305242402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4772 + ... + 25164.

It is an arithmetic number, because the mean of its divisors is an integer number (35791470).

Almost surely, 2^305242424 is an apocalyptic number.

It is an amenable number.

305242424 is a deficient number, since it is larger than the sum of its proper divisors (267421096).

305242424 is a wasteful number, since it uses less digits than its factorization.

305242424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22270 (or 22266 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 305242424 is about 17471.1883969008. The cubic root of 305242424 is about 673.3098448385.

Adding to 305242424 its reverse (424242503), we get a palindrome (729484927).

The spelling of 305242424 in words is "three hundred five million, two hundred forty-two thousand, four hundred twenty-four".