8409320800 has 72 divisors (see below), whose sum is σ = 21006764856. Its totient is φ = 3285488640.

The previous prime is 8409320797. The next prime is 8409320819. The reversal of 8409320800 is 80239048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87829 + ... + 156628.

It is an arithmetic number, because the mean of its divisors is an integer number (291760623).

Almost surely, 2^8409320800 is an apocalyptic number.

8409320800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8409320800 is an abundant number, since it is smaller than the sum of its proper divisors (12597444056).

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

8409320800 is a wasteful number, since it uses less digits than its factorization.

8409320800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244520 (or 244507 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 8409320800 is about 91702.3489339286. The cubic root of 8409320800 is about 2033.5443108743.

Adding to 8409320800 its reverse (80239048), we get a palindrome (8489559848).

The spelling of 8409320800 in words is "eight billion, four hundred nine million, three hundred twenty thousand, eight hundred".