4023642660 has 24 divisors (see below), whose sum is σ = 11266199616. Its totient is φ = 1072971360.

The previous prime is 4023642611. The next prime is 4023642661. The reversal of 4023642660 is 662463204.

It is not an unprimeable number, because it can be changed into a prime (4023642661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33530296 + ... + 33530415.

It is an arithmetic number, because the mean of its divisors is an integer number (469424984).

Almost surely, 2^4023642660 is an apocalyptic number.

It is an amenable number.

4023642660 is an abundant number, since it is smaller than the sum of its proper divisors (7242556956).

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

4023642660 is a wasteful number, since it uses less digits than its factorization.

4023642660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67060723 (or 67060721 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 4023642660 is about 63432.1894624488. The cubic root of 4023642660 is about 1590.5224421378.

The spelling of 4023642660 in words is "four billion, twenty-three million, six hundred forty-two thousand, six hundred sixty".