5640788706 has 64 divisors (see below), whose sum is σ = 13527515136. Its totient is φ = 1534075200.

The previous prime is 5640788689. The next prime is 5640788711. The reversal of 5640788706 is 6078870465.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43911 + ... + 114933.

It is an arithmetic number, because the mean of its divisors is an integer number (211367424).

Almost surely, 2^5640788706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5640788706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6763757568).

5640788706 is an abundant number, since it is smaller than the sum of its proper divisors (7886726430).

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

5640788706 is a wasteful number, since it uses less digits than its factorization.

5640788706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71127.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The square root of 5640788706 is about 75105.1842817791. The cubic root of 5640788706 is about 1780.1090605651.

The spelling of 5640788706 in words is "five billion, six hundred forty million, seven hundred eighty-eight thousand, seven hundred six".