28048204800 has 2112 divisors, whose sum is σ = 140356730880. Its totient is φ = 5308416000.

The previous prime is 28048204799. The next prime is 28048204813. The reversal of 28048204800 is 840284082.

It is a tau number, because it is divible by the number of its divisors (2112).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 904780785 + ... + 904780815.

Almost surely, 2^28048204800 is an apocalyptic number.

28048204800 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 28048204800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70178365440).

28048204800 is an abundant number, since it is smaller than the sum of its proper divisors (112308526080).

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

28048204800 is a wasteful number, since it uses less digits than its factorization.

28048204800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

Adding to 28048204800 its reverse (840284082), we get a palindrome (28888488882).

The spelling of 28048204800 in words is "twenty-eight billion, forty-eight million, two hundred four thousand, eight hundred".