804439680 has 256 divisors, whose sum is σ = 2868566400. Its totient is φ = 190054400.

The previous prime is 804439679. The next prime is 804439687. The reversal of 804439680 is 86934408.

804439680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (804439687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 865456 + ... + 866384.

Almost surely, 2^804439680 is an apocalyptic number.

804439680 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 804439680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434283200).

804439680 is an abundant number, since it is smaller than the sum of its proper divisors (2064126720).

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

804439680 is a wasteful number, since it uses less digits than its factorization.

804439680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 804439680 is about 28362.6458568308. The cubic root of 804439680 is about 930.0318638637.

The spelling of 804439680 in words is "eight hundred four million, four hundred thirty-nine thousand, six hundred eighty".