804320528080 has 80 divisors (see below), whose sum is σ = 2026095660864. Its totient is φ = 295761070080.

The previous prime is 804320528059. The next prime is 804320528083. The reversal of 804320528080 is 80825023408.

804320528080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804320528083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6818406 + ... + 6935365.

Almost surely, 2^804320528080 is an apocalyptic number.

804320528080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

804320528080 is an abundant number, since it is smaller than the sum of its proper divisors (1221775132784).

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

804320528080 is a wasteful number, since it uses less digits than its factorization.

804320528080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13753844 (or 13753838 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 804320528080 in words is "eight hundred four billion, three hundred twenty million, five hundred twenty-eight thousand, eighty".