28330656288 has 192 divisors, whose sum is σ = 82571166720. Its totient is φ = 8433331200.

The previous prime is 28330656283. The next prime is 28330656311. The reversal of 28330656288 is 88265603382.

It is a self number, because there is not a number n which added to its sum of digits gives 28330656288.

It is not an unprimeable number, because it can be changed into a prime (28330656283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28415406 + ... + 28416402.

It is an arithmetic number, because the mean of its divisors is an integer number (430058160).

Almost surely, 2^28330656288 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 28330656288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41285583360).

28330656288 is an abundant number, since it is smaller than the sum of its proper divisors (54240510432).

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

28330656288 is a wasteful number, since it uses less digits than its factorization.

28330656288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1463 counting only the distinct ones).

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

The spelling of 28330656288 in words is "twenty-eight billion, three hundred thirty million, six hundred fifty-six thousand, two hundred eighty-eight".