3640342447766 has 8 divisors (see below), whose sum is σ = 5460526366464. Its totient is φ = 1820166992280.

The previous prime is 3640342447681. The next prime is 3640342447787. The reversal of 3640342447766 is 6677442430463.

3640342447766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900950 + ... + 2844713.

It is an arithmetic number, because the mean of its divisors is an integer number (682565795808).

Almost surely, 2^{3640342447766} is an apocalyptic number.

3640342447766 is a deficient number, since it is larger than the sum of its proper divisors (1820183918698).

3640342447766 is a wasteful number, since it uses less digits than its factorization.

3640342447766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4231606.

The product of its (nonzero) digits is 48771072, while the sum is 56.

The spelling of 3640342447766 in words is "three trillion, six hundred forty billion, three hundred forty-two million, four hundred forty-seven thousand, seven hundred sixty-six".