304331489272 has 8 divisors (see below), whose sum is σ = 570621542400. Its totient is φ = 152165744632.

The previous prime is 304331489261. The next prime is 304331489281. The reversal of 304331489272 is 272984133403.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19020718072 + ... + 19020718087.

It is an arithmetic number, because the mean of its divisors is an integer number (71327692800).

Almost surely, 2^304331489272 is an apocalyptic number.

It is an amenable number.

304331489272 is a deficient number, since it is larger than the sum of its proper divisors (266290053128).

304331489272 is a wasteful number, since it uses less digits than its factorization.

304331489272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38041436165 (or 38041436161 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 304331489272 in words is "three hundred four billion, three hundred thirty-one million, four hundred eighty-nine thousand, two hundred seventy-two".