304205340421 has 8 divisors (see below), whose sum is σ = 312364877760. Its totient is φ = 296145920352.

The previous prime is 304205340419. The next prime is 304205340433. The reversal of 304205340421 is 124043502403.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 304205340421 - 2¹ = 304205340419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304205340421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304205040421) 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 7 ways as a sum of consecutive naturals, for example, 25023160 + ... + 25035313.

It is an arithmetic number, because the mean of its divisors is an integer number (39045609720).

Almost surely, 2^304205340421 is an apocalyptic number.

It is an amenable number.

304205340421 is a deficient number, since it is larger than the sum of its proper divisors (8159537339).

304205340421 is a wasteful number, since it uses less digits than its factorization.

304205340421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50058635.

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

Adding to 304205340421 its reverse (124043502403), we get a palindrome (428248842824).

The spelling of 304205340421 in words is "three hundred four billion, two hundred five million, three hundred forty thousand, four hundred twenty-one".