4000660060 has 12 divisors (see below), whose sum is σ = 8401386168. Its totient is φ = 1600264016.

The previous prime is 4000660033. The next prime is 4000660061. The reversal of 4000660060 is 600660004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000660061) 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 3 ways as a sum of consecutive naturals, for example, 100016482 + ... + 100016521.

It is an arithmetic number, because the mean of its divisors is an integer number (700115514).

Almost surely, 2^4000660060 is an apocalyptic number.

It is an amenable number.

4000660060 is an abundant number, since it is smaller than the sum of its proper divisors (4400726108).

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

4000660060 is a wasteful number, since it uses less digits than its factorization.

4000660060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200033012 (or 200033010 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4000660060 is about 63250.7712205946. The cubic root of 4000660060 is about 1587.4883621607.

The spelling of 4000660060 in words is "four billion, six hundred sixty thousand, sixty".