6343336540 has 12 divisors (see below), whose sum is σ = 13321006776. Its totient is φ = 2537334608.

The previous prime is 6343336511. The next prime is 6343336567. The reversal of 6343336540 is 456333436.

It is a self number, because there is not a number n which added to its sum of digits gives 6343336540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158583394 + ... + 158583433.

It is an arithmetic number, because the mean of its divisors is an integer number (1110083898).

Almost surely, 2^6343336540 is an apocalyptic number.

It is an amenable number.

6343336540 is an abundant number, since it is smaller than the sum of its proper divisors (6977670236).

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

6343336540 is a wasteful number, since it uses less digits than its factorization.

6343336540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317166836 (or 317166834 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 37.

The square root of 6343336540 is about 79645.0660116495. The cubic root of 6343336540 is about 1851.1399392751.

Adding to 6343336540 its reverse (456333436), we get a palindrome (6799669976).

The spelling of 6343336540 in words is "six billion, three hundred forty-three million, three hundred thirty-six thousand, five hundred forty".