5768641640 has 32 divisors (see below), whose sum is σ = 13011847560. Its totient is φ = 2301696000.

The previous prime is 5768641631. The next prime is 5768641693. The reversal of 5768641640 is 461468675.

It can be written as a sum of positive squares in 4 ways, for example, as 5261761444 + 506880196 = 72538^2 + 22514^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163781 + ... + 195860.

Almost surely, 2^5768641640 is an apocalyptic number.

It is an amenable number.

5768641640 is an abundant number, since it is smaller than the sum of its proper divisors (7243205920).

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

5768641640 is a wasteful number, since it uses less digits than its factorization.

5768641640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360053 (or 360049 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 5768641640 is about 75951.5743088976. The cubic root of 5768641640 is about 1793.4579017623.

The spelling of 5768641640 in words is "five billion, seven hundred sixty-eight million, six hundred forty-one thousand, six hundred forty".