4009776568 has 32 divisors (see below), whose sum is σ = 9044611200. Its totient is φ = 1628029152.

The previous prime is 4009776509. The next prime is 4009776581. The reversal of 4009776568 is 8656779004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883230 + ... + 1885357.

It is an arithmetic number, because the mean of its divisors is an integer number (282644100).

Almost surely, 2^4009776568 is an apocalyptic number.

It is an amenable number.

4009776568 is an abundant number, since it is smaller than the sum of its proper divisors (5034834632).

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

4009776568 is a wasteful number, since it uses less digits than its factorization.

4009776568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768619 (or 3768615 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The square root of 4009776568 is about 63322.7965901696. The cubic root of 4009776568 is about 1588.6932776057.

The spelling of 4009776568 in words is "four billion, nine million, seven hundred seventy-six thousand, five hundred sixty-eight".