28501748000 has 384 divisors, whose sum is σ = 81441884160. Its totient is φ = 9694080000.

The previous prime is 28501747993. The next prime is 28501748003. The reversal of 28501748000 is 84710582.

It is not an unprimeable number, because it can be changed into a prime (28501748003) 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, 86107835 + ... + 86108165.

It is an arithmetic number, because the mean of its divisors is an integer number (212088240).

Almost surely, 2^28501748000 is an apocalyptic number.

28501748000 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 28501748000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40720942080).

28501748000 is an abundant number, since it is smaller than the sum of its proper divisors (52940136160).

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

28501748000 is a wasteful number, since it uses less digits than its factorization.

28501748000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 28501748000 in words is "twenty-eight billion, five hundred one million, seven hundred forty-eight thousand".