28000255250 has 64 divisors (see below), whose sum is σ = 57748339584. Its totient is φ = 10081000000.

The previous prime is 28000255249. The next prime is 28000255267. The reversal of 28000255250 is 5255200082.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227345 + ... + 328155.

It is an arithmetic number, because the mean of its divisors is an integer number (902317806).

Almost surely, 2^28000255250 is an apocalyptic number.

28000255250 is an abundant number, since it is smaller than the sum of its proper divisors (29748084334).

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

28000255250 is a wasteful number, since it uses less digits than its factorization.

28000255250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100940 (or 100930 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 28000255250 in words is "twenty-eight billion, two hundred fifty-five thousand, two hundred fifty".