28802840000 has 280 divisors, whose sum is σ = 78703694256. Its totient is φ = 10454400000.

The previous prime is 28802839981. The next prime is 28802840021. The reversal of 28802840000 is 4820882.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53239730 + ... + 53240270.

Almost surely, 2^28802840000 is an apocalyptic number.

28802840000 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 28802840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39351847128).

28802840000 is an abundant number, since it is smaller than the sum of its proper divisors (49900854256).

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

28802840000 is an frugal number, since it uses more digits than its factorization.

28802840000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The spelling of 28802840000 in words is "twenty-eight billion, eight hundred two million, eight hundred forty thousand".