28133010800 has 60 divisors (see below), whose sum is σ = 67605773400. Its totient is φ = 11250504960.

The previous prime is 28133010793. The next prime is 28133010821. The reversal of 28133010800 is 801033182.

It is a self number, because there is not a number n which added to its sum of digits gives 28133010800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3004526 + ... + 3013874.

It is an arithmetic number, because the mean of its divisors is an integer number (1126762890).

Almost surely, 2^28133010800 is an apocalyptic number.

28133010800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28133010800 is an abundant number, since it is smaller than the sum of its proper divisors (39472762600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28133010800 is a wasteful number, since it uses less digits than its factorization.

28133010800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16890 (or 16879 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 28133010800 its reverse (801033182), we get a palindrome (28934043982).

The spelling of 28133010800 in words is "twenty-eight billion, one hundred thirty-three million, ten thousand, eight hundred".