6568746240 has 288 divisors, whose sum is σ = 24752480256. Its totient is φ = 1452810240.

The previous prime is 6568746211. The next prime is 6568746257. The reversal of 6568746240 is 426478656.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 6568746240.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 829339 + ... + 837221.

It is an arithmetic number, because the mean of its divisors is an integer number (85946112).

Almost surely, 2^6568746240 is an apocalyptic number.

6568746240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6568746240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12376240128).

6568746240 is an abundant number, since it is smaller than the sum of its proper divisors (18183734016).

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

6568746240 is a wasteful number, since it uses less digits than its factorization.

6568746240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7945 (or 7931 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The square root of 6568746240 is about 81047.8021910527. The cubic root of 6568746240 is about 1872.8119058345.

The spelling of 6568746240 in words is "six billion, five hundred sixty-eight million, seven hundred forty-six thousand, two hundred forty".