28735392000 has 576 divisors, whose sum is σ = 111025893888. Its totient is φ = 6451200000.

The previous prime is 28735391989. The next prime is 28735392017. The reversal of 28735392000 is 29353782.

It is a self number, because there is not a number n which added to its sum of digits gives 28735392000.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40991650 + ... + 40992350.

It is an arithmetic number, because the mean of its divisors is an integer number (192753288).

Almost surely, 2^28735392000 is an apocalyptic number.

28735392000 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 28735392000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55512946944).

28735392000 is an abundant number, since it is smaller than the sum of its proper divisors (82290501888).

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

28735392000 is an equidigital number, since it uses as much as digits as its factorization.

28735392000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 28735392000 in words is "twenty-eight billion, seven hundred thirty-five million, three hundred ninety-two thousand".