28030300304 has 20 divisors (see below), whose sum is σ = 54452013360. Its totient is φ = 13978167840.

The previous prime is 28030300303. The next prime is 28030300327. The reversal of 28030300304 is 40300303082.

It is a self number, because there is not a number n which added to its sum of digits gives 28030300304.

It is not an unprimeable number, because it can be changed into a prime (28030300303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2305142 + ... + 2317269.

It is an arithmetic number, because the mean of its divisors is an integer number (2722600668).

Almost surely, 2^28030300304 is an apocalyptic number.

It is an amenable number.

28030300304 is a deficient number, since it is larger than the sum of its proper divisors (26421713056).

28030300304 is a wasteful number, since it uses less digits than its factorization.

28030300304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622798 (or 4622792 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 28030300304 its reverse (40300303082), we get a palindrome (68330603386).

The spelling of 28030300304 in words is "twenty-eight billion, thirty million, three hundred thousand, three hundred four".