28205002288 has 20 divisors (see below), whose sum is σ = 54661222440. Its totient is φ = 14098880384.

The previous prime is 28205002213. The next prime is 28205002303. The reversal of 28205002288 is 88220050282.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161470 + ... + 287197.

It is an arithmetic number, because the mean of its divisors is an integer number (2733061122).

Almost surely, 2^28205002288 is an apocalyptic number.

It is an amenable number.

28205002288 is a deficient number, since it is larger than the sum of its proper divisors (26456220152).

28205002288 is a wasteful number, since it uses less digits than its factorization.

28205002288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452604 (or 452598 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The spelling of 28205002288 in words is "twenty-eight billion, two hundred five million, two thousand, two hundred eighty-eight".