28005280500530 has 32 divisors (see below), whose sum is σ = 51170162762880. Its totient is φ = 11033389866240.

The previous prime is 28005280500529. The next prime is 28005280500607. The reversal of 28005280500530 is 3500508250082.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18829724 + ... + 20262503.

It is an arithmetic number, because the mean of its divisors is an integer number (1599067586340).

Almost surely, 2^{28005280500530} is an apocalyptic number.

28005280500530 is a deficient number, since it is larger than the sum of its proper divisors (23164882262350).

28005280500530 is a wasteful number, since it uses less digits than its factorization.

28005280500530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39093314.

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 28005280500530 in words is "twenty-eight trillion, five billion, two hundred eighty million, five hundred thousand, five hundred thirty".