28910228310224 has 80 divisors (see below), whose sum is σ = 59351446353600. Its totient is φ = 13604078886912.

The previous prime is 28910228310199. The next prime is 28910228310251. The reversal of 28910228310224 is 42201382201982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27866864 + ... + 28885680.

It is an arithmetic number, because the mean of its divisors is an integer number (741893079420).

Almost surely, 2^{28910228310224} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28910228310224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29675723176800).

28910228310224 is an abundant number, since it is smaller than the sum of its proper divisors (30441218043376).

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

28910228310224 is a wasteful number, since it uses less digits than its factorization.

28910228310224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019460 (or 1019454 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 28910228310224 in words is "twenty-eight trillion, nine hundred ten billion, two hundred twenty-eight million, three hundred ten thousand, two hundred twenty-four".