8304215040 has 704 divisors, whose sum is σ = 33202667520. Its totient is φ = 1950842880.

The previous prime is 8304215027. The next prime is 8304215081. The reversal of 8304215040 is 405124038.

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 8304214995 and 8304215013.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65387457 + ... + 65387583.

It is an arithmetic number, because the mean of its divisors is an integer number (47162880).

Almost surely, 2^8304215040 is an apocalyptic number.

8304215040 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 8304215040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16601333760).

8304215040 is an abundant number, since it is smaller than the sum of its proper divisors (24898452480).

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

8304215040 is a wasteful number, since it uses less digits than its factorization.

8304215040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 8304215040 is about 91127.4658925617. The cubic root of 8304215040 is about 2025.0365315769.

Adding to 8304215040 its reverse (405124038), we get a palindrome (8709339078).

The spelling of 8304215040 in words is "eight billion, three hundred four million, two hundred fifteen thousand, forty".