6340505712 has 80 divisors (see below), whose sum is σ = 16965521280. Its totient is φ = 2038086400.

The previous prime is 6340505681. The next prime is 6340505723. The reversal of 6340505712 is 2175050436.

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 15 ways as a sum of consecutive naturals, for example, 1349287 + ... + 1353977.

It is an arithmetic number, because the mean of its divisors is an integer number (212069016).

Almost surely, 2^6340505712 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 6340505712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8482760640).

6340505712 is an abundant number, since it is smaller than the sum of its proper divisors (10625015568).

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

6340505712 is a wasteful number, since it uses less digits than its factorization.

6340505712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5702 (or 5696 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 6340505712 is about 79627.2925070293. The cubic root of 6340505712 is about 1850.8645301403.

The spelling of 6340505712 in words is "six billion, three hundred forty million, five hundred five thousand, seven hundred twelve".