5640251712368 has 40 divisors (see below), whose sum is σ = 13449831009888. Its totient is φ = 2231308369152.

The previous prime is 5640251712367. The next prime is 5640251712413. The reversal of 5640251712368 is 8632171520465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640251712367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936898171 + ... + 1936901082.

Almost surely, 2^{5640251712368} is an apocalyptic number.

It is an amenable number.

5640251712368 is an abundant number, since it is smaller than the sum of its proper divisors (7809579297520).

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

5640251712368 is a wasteful number, since it uses less digits than its factorization.

5640251712368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873799281 (or 3873799275 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 5640251712368 in words is "five trillion, six hundred forty billion, two hundred fifty-one million, seven hundred twelve thousand, three hundred sixty-eight".