It is an unprimeable number.
Almost surely, 228252796442 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28252796442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31875959808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28252796442 is a wasteful number, since it uses less digits than its factorization.
28252796442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63035.
The spelling of 28252796442 in words is "twenty-eight billion, two hundred fifty-two million, seven hundred ninety-six thousand, four hundred forty-two".