6504324560 has 80 divisors (see below), whose sum is σ = 15928016256. Its totient is φ = 2465278464.

The previous prime is 6504324539. The next prime is 6504324569. The reversal of 6504324560 is 654234056.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6504324560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6504324569) 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, 180362 + ... + 213398.

Almost surely, 2^6504324560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6504324560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7964008128).

6504324560 is an abundant number, since it is smaller than the sum of its proper divisors (9423691696).

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

6504324560 is a wasteful number, since it uses less digits than its factorization.

6504324560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33180 (or 33174 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 6504324560 is about 80649.3928061458. The cubic root of 6504324560 is about 1866.6693704609.

The spelling of 6504324560 in words is "six billion, five hundred four million, three hundred twenty-four thousand, five hundred sixty".