28351227805260 has 24 divisors (see below), whose sum is σ = 79383437854896. Its totient is φ = 7560327414720.

The previous prime is 28351227805099. The next prime is 28351227805289. The reversal of 28351227805260 is 6250872215382.

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, 236260231651 + ... + 236260231770.

It is an arithmetic number, because the mean of its divisors is an integer number (3307643243954).

Almost surely, 2^{28351227805260} is an apocalyptic number.

28351227805260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28351227805260 is an abundant number, since it is smaller than the sum of its proper divisors (51032210049636).

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

28351227805260 is a wasteful number, since it uses less digits than its factorization.

28351227805260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472520463433 (or 472520463431 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 28351227805260 in words is "twenty-eight trillion, three hundred fifty-one billion, two hundred twenty-seven million, eight hundred five thousand, two hundred sixty".