2803240800 has 216 divisors, whose sum is σ = 9959596920. Its totient is φ = 741888000.

The previous prime is 2803240793. The next prime is 2803240801. The reversal of 2803240800 is 80423082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2803240801) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 999400 + ... + 1002200.

It is an arithmetic number, because the mean of its divisors is an integer number (46109245).

Almost surely, 2^2803240800 is an apocalyptic number.

2803240800 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 2803240800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4979798460).

2803240800 is an abundant number, since it is smaller than the sum of its proper divisors (7156356120).

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

2803240800 is a wasteful number, since it uses less digits than its factorization.

2803240800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966 (or 2950 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2803240800 is about 52945.6400471276. The cubic root of 2803240800 is about 1410.0033197447.

Adding to 2803240800 its reverse (80423082), we get a palindrome (2883663882).

The spelling of 2803240800 in words is "two billion, eight hundred three million, two hundred forty thousand, eight hundred".