28560408862080 has 256 divisors, whose sum is σ = 94005897891840. Its totient is φ = 7367844618240.

The previous prime is 28560408862079. The next prime is 28560408862133. The reversal of 28560408862080 is 8026880406582.

It is a self number, because there is not a number n which added to its sum of digits gives 28560408862080.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172703914 + ... + 172869206.

It is an arithmetic number, because the mean of its divisors is an integer number (367210538640).

Almost surely, 2^{28560408862080} is an apocalyptic number.

28560408862080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28560408862080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47002948945920).

28560408862080 is an abundant number, since it is smaller than the sum of its proper divisors (65445489029760).

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

28560408862080 is a wasteful number, since it uses less digits than its factorization.

28560408862080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168249 (or 168237 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 57.

The spelling of 28560408862080 in words is "twenty-eight trillion, five hundred sixty billion, four hundred eight million, eight hundred sixty-two thousand, eighty".