804720000 has 320 divisors, whose sum is σ = 3059020800. Its totient is φ = 183552000.

The previous prime is 804719999. The next prime is 804720013. The reversal of 804720000 is 27408.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 1679761 + ... + 1680239.

It is an arithmetic number, because the mean of its divisors is an integer number (9559440).

Almost surely, 2^804720000 is an apocalyptic number.

804720000 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 804720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1529510400).

804720000 is an abundant number, since it is smaller than the sum of its proper divisors (2254300800).

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

804720000 is an equidigital number, since it uses as much as digits as its factorization.

804720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 804720000 is about 28367.5871374356. The cubic root of 804720000 is about 930.1398795265.

Adding to 804720000 its reverse (27408), we get a palindrome (804747408).

The spelling of 804720000 in words is "eight hundred four million, seven hundred twenty thousand".