804080080 has 20 divisors (see below), whose sum is σ = 1869486372. Its totient is φ = 321632000.

The previous prime is 804080063. The next prime is 804080087. The reversal of 804080080 is 80080408.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 224041024 + 580039056 = 14968^2 + 24084^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804080087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5025421 + ... + 5025580.

Almost surely, 2^804080080 is an apocalyptic number.

804080080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

804080080 is an abundant number, since it is smaller than the sum of its proper divisors (1065406292).

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

804080080 is a wasteful number, since it uses less digits than its factorization.

804080080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051014 (or 10051008 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 804080080 is about 28356.3058242783. The cubic root of 804080080 is about 929.8932625024.

The spelling of 804080080 in words is "eight hundred four million, eighty thousand, eighty".