804000000 has 252 divisors, whose sum is σ = 2714652752. Its totient is φ = 211200000.

The previous prime is 803999971. The next prime is 804000007. The reversal of 804000000 is 408.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 804000000.

It is not an unprimeable number, because it can be changed into a prime (804000007) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11999967 + ... + 12000033.

Almost surely, 2^804000000 is an apocalyptic number.

804000000 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 804000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1357326376).

804000000 is an abundant number, since it is smaller than the sum of its proper divisors (1910652752).

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

804000000 is an frugal number, since it uses more digits than its factorization.

804000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 804000000 is about 28354.8937575157. The cubic root of 804000000 is about 929.8623914791.

Adding to 804000000 its reverse (408), we get a palindrome (804000408).

The spelling of 804000000 in words is "eight hundred four million", and thus it is an aban number.