6530344320 has 64 divisors (see below), whose sum is σ = 20815478640. Its totient is φ = 1741424640.

The previous prime is 6530344319. The next prime is 6530344321. The reversal of 6530344320 is 234430356.

It is an interprime number because it is at equal distance from previous prime (6530344319) and next prime (6530344321).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6530344321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1698691 + ... + 1702530.

Almost surely, 2^6530344320 is an apocalyptic number.

6530344320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6530344320 is an abundant number, since it is smaller than the sum of its proper divisors (14285134320).

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

6530344320 is a wasteful number, since it uses less digits than its factorization.

6530344320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401243 (or 3401231 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 6530344320 is about 80810.5458464426. The cubic root of 6530344320 is about 1869.1551866598.

Adding to 6530344320 its reverse (234430356), we get a palindrome (6764774676).

The spelling of 6530344320 in words is "six billion, five hundred thirty million, three hundred forty-four thousand, three hundred twenty".