28080140228288 has 14 divisors (see below), whose sum is σ = 55721528265636. Its totient is φ = 14040070114112.

The previous prime is 28080140228267. The next prime is 28080140228407. The reversal of 28080140228288 is 88282204108082.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219376095470 + ... + 219376095597.

Almost surely, 2^{28080140228288} is an apocalyptic number.

It is an amenable number.

28080140228288 is a deficient number, since it is larger than the sum of its proper divisors (27641388037348).

28080140228288 is an equidigital number, since it uses as much as digits as its factorization.

28080140228288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438752191079 (or 438752191069 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 53.

The spelling of 28080140228288 in words is "twenty-eight trillion, eighty billion, one hundred forty million, two hundred twenty-eight thousand, two hundred eighty-eight".