4008642660660 has 48 divisors (see below), whose sum is σ = 12244581220032. Its totient is φ = 971792160000.

The previous prime is 4008642660629. The next prime is 4008642660677. The reversal of 4008642660660 is 660662468004.

It is a happy number.

4008642660660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3036849841 + ... + 3036851160.

It is an arithmetic number, because the mean of its divisors is an integer number (255095442084).

Almost surely, 2^{4008642660660} is an apocalyptic number.

It is an amenable number.

4008642660660 is an abundant number, since it is smaller than the sum of its proper divisors (8235938559372).

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

4008642660660 is a wasteful number, since it uses less digits than its factorization.

4008642660660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073701024 (or 6073701022 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 4008642660660 in words is "four trillion, eight billion, six hundred forty-two million, six hundred sixty thousand, six hundred sixty".