4000660662 has 8 divisors (see below), whose sum is σ = 8001321336. Its totient is φ = 1333553552.

The previous prime is 4000660607. The next prime is 4000660663. The reversal of 4000660662 is 2660660004.

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

4000660662 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000660663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333388383 + ... + 333388394.

It is an arithmetic number, because the mean of its divisors is an integer number (1000165167).

Almost surely, 2^4000660662 is an apocalyptic number.

4000660662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4000660662 is a wasteful number, since it uses less digits than its factorization.

4000660662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666776782.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 4000660662 is about 63250.7759794297. The cubic root of 4000660662 is about 1587.4884417866.

The spelling of 4000660662 in words is "four billion, six hundred sixty thousand, six hundred sixty-two".