5640706087788 has 12 divisors (see below), whose sum is σ = 13161647538200. Its totient is φ = 1880235362592.

The previous prime is 5640706087787. The next prime is 5640706087799. The reversal of 5640706087788 is 8877806070465.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (5640706087787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235029420313 + ... + 235029420336.

Almost surely, 2^{5640706087788} is an apocalyptic number.

It is an amenable number.

5640706087788 is an abundant number, since it is smaller than the sum of its proper divisors (7520941450412).

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

5640706087788 is a wasteful number, since it uses less digits than its factorization.

5640706087788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470058840656 (or 470058840654 counting only the distinct ones).

The product of its (nonzero) digits is 126443520, while the sum is 66.

The spelling of 5640706087788 in words is "five trillion, six hundred forty billion, seven hundred six million, eighty-seven thousand, seven hundred eighty-eight".