6326320520 has 64 divisors (see below), whose sum is σ = 15365110320. Its totient is φ = 2330394624.

The previous prime is 6326320493. The next prime is 6326320529. The reversal of 6326320520 is 250236236.

It can be written as a sum of positive squares in 8 ways, for example, as 34975396 + 6291345124 = 5914^2 + 79318^2 .

It is not an unprimeable number, because it can be changed into a prime (6326320529) 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, 211112 + ... + 239208.

Almost surely, 2^6326320520 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 6326320520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7682555160).

6326320520 is an abundant number, since it is smaller than the sum of its proper divisors (9038789800).

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

6326320520 is a wasteful number, since it uses less digits than its factorization.

6326320520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28554 (or 28550 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 6326320520 is about 79538.1702077688. The cubic root of 6326320520 is about 1849.4832274642.

Adding to 6326320520 its reverse (250236236), we get a palindrome (6576556756).

The spelling of 6326320520 in words is "six billion, three hundred twenty-six million, three hundred twenty thousand, five hundred twenty".