6315332640 has 96 divisors (see below), whose sum is σ = 20758260096. Its totient is φ = 1610864640.

The previous prime is 6315332561. The next prime is 6315332671. The reversal of 6315332640 is 462335136.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 274981 + ... + 297060.

It is an arithmetic number, because the mean of its divisors is an integer number (216231876).

Almost surely, 2^6315332640 is an apocalyptic number.

6315332640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6315332640 is an abundant number, since it is smaller than the sum of its proper divisors (14442927456).

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

6315332640 is a wasteful number, since it uses less digits than its factorization.

6315332640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572082 (or 572074 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 6315332640 is about 79469.0671896934. The cubic root of 6315332640 is about 1848.4118476397.

Adding to 6315332640 its reverse (462335136), we get a palindrome (6777667776).

The spelling of 6315332640 in words is "six billion, three hundred fifteen million, three hundred thirty-two thousand, six hundred forty".