28056331210 has 16 divisors (see below), whose sum is σ = 50504311296. Its totient is φ = 11221884688.

The previous prime is 28056331187. The next prime is 28056331229. The reversal of 28056331210 is 1213365082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126159 + ... + 268381.

It is an arithmetic number, because the mean of its divisors is an integer number (3156519456).

Almost surely, 2^28056331210 is an apocalyptic number.

28056331210 is a deficient number, since it is larger than the sum of its proper divisors (22447980086).

28056331210 is a wasteful number, since it uses less digits than its factorization.

28056331210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161957.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 28056331210 its reverse (1213365082), we get a palindrome (29269696292).

The spelling of 28056331210 in words is "twenty-eight billion, fifty-six million, three hundred thirty-one thousand, two hundred ten".