28650024288 has 288 divisors, whose sum is σ = 87408266400. Its totient is φ = 8885280768.

The previous prime is 28650024253. The next prime is 28650024311. The reversal of 28650024288 is 88242005682.

28650024288 is a `hidden beast` number, since 28 + 6 + 500 + 2 + 42 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26116156 + ... + 26117252.

It is an arithmetic number, because the mean of its divisors is an integer number (303500925).

Almost surely, 2^28650024288 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 28650024288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43704133200).

28650024288 is an abundant number, since it is smaller than the sum of its proper divisors (58758242112).

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

28650024288 is a wasteful number, since it uses less digits than its factorization.

28650024288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 28650024288 in words is "twenty-eight billion, six hundred fifty million, twenty-four thousand, two hundred eighty-eight".