8304065280 has 648 divisors, whose sum is σ = 34242167232. Its totient is φ = 1851752448.

The previous prime is 8304065269. The next prime is 8304065299. The reversal of 8304065280 is 825604038.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 26530404 + ... + 26530716.

Almost surely, 2^8304065280 is an apocalyptic number.

8304065280 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 8304065280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17121083616).

8304065280 is an abundant number, since it is smaller than the sum of its proper divisors (25938101952).

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

8304065280 is a wasteful number, since it uses less digits than its factorization.

8304065280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 8304065280 is about 91126.6441826977. The cubic root of 8304065280 is about 2025.0243581889.

The spelling of 8304065280 in words is "eight billion, three hundred four million, sixty-five thousand, two hundred eighty".