28683504000 has 512 divisors, whose sum is σ = 107335987200. Its totient is φ = 7527168000.

The previous prime is 28683503977. The next prime is 28683504001. The reversal of 28683504000 is 40538682.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28683504001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28943505 + ... + 28944495.

It is an arithmetic number, because the mean of its divisors is an integer number (209640600).

Almost surely, 2^28683504000 is an apocalyptic number.

28683504000 is a gapful number since it is divisible by the number (20) 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 28683504000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53667993600).

28683504000 is an abundant number, since it is smaller than the sum of its proper divisors (78652483200).

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

28683504000 is an equidigital number, since it uses as much as digits as its factorization.

28683504000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 28683504000 in words is "twenty-eight billion, six hundred eighty-three million, five hundred four thousand".