28580488256 has 112 divisors (see below), whose sum is σ = 60764928000. Its totient is φ = 13298452992.

The previous prime is 28580488253. The next prime is 28580488267. The reversal of 28580488256 is 65288408582.

It is not an unprimeable number, because it can be changed into a prime (28580488253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20083961 + ... + 20085383.

It is an arithmetic number, because the mean of its divisors is an integer number (542544000).

Almost surely, 2^28580488256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28580488256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30382464000).

28580488256 is an abundant number, since it is smaller than the sum of its proper divisors (32184439744).

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

28580488256 is a wasteful number, since it uses less digits than its factorization.

28580488256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736 (or 1726 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 56.

The spelling of 28580488256 in words is "twenty-eight billion, five hundred eighty million, four hundred eighty-eight thousand, two hundred fifty-six".