804320824320 has 792 divisors, whose sum is σ = 3126511913616. Its totient is φ = 197098831872.

The previous prime is 804320824319. The next prime is 804320824327. The reversal of 804320824320 is 23428023408.

It is a happy number.

804320824320 is a `hidden beast` number, since 8 + 0 + 4 + 320 + 8 + 2 + 4 + 320 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (804320824327) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3606819729 + ... + 3606819951.

Almost surely, 2^804320824320 is an apocalyptic number.

804320824320 is a gapful number since it is divisible by the number (80) 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 804320824320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1563255956808).

804320824320 is an abundant number, since it is smaller than the sum of its proper divisors (2322191089296).

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

804320824320 is an equidigital number, since it uses as much as digits as its factorization.

804320824320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 804320824320 its reverse (23428023408), we get a palindrome (827748847728).

The spelling of 804320824320 in words is "eight hundred four billion, three hundred twenty million, eight hundred twenty-four thousand, three hundred twenty".