28308220965024 has 768 divisors, whose sum is σ = 101438627512320. Its totient is φ = 6674143703040.

The previous prime is 28308220964921. The next prime is 28308220965041. The reversal of 28308220965024 is 42056902280382.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3985385857 + ... + 3985392959.

It is an arithmetic number, because the mean of its divisors is an integer number (132081546240).

Almost surely, 2^{28308220965024} is an apocalyptic number.

28308220965024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28308220965024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50719313756160).

28308220965024 is an abundant number, since it is smaller than the sum of its proper divisors (73130406547296).

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

28308220965024 is a wasteful number, since it uses less digits than its factorization.

28308220965024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7833 (or 7825 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 28308220965024 in words is "twenty-eight trillion, three hundred eight billion, two hundred twenty million, nine hundred sixty-five thousand, twenty-four".