9400556668 has 12 divisors (see below), whose sum is σ = 16800995232. Its totient is φ = 4600272320.

The previous prime is 9400556639. The next prime is 9400556681. The reversal of 9400556668 is 8666550049.

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 3 ways as a sum of consecutive naturals, for example, 25001293 + ... + 25001668.

It is an arithmetic number, because the mean of its divisors is an integer number (1400082936).

Almost surely, 2^9400556668 is an apocalyptic number.

It is an amenable number.

9400556668 is a deficient number, since it is larger than the sum of its proper divisors (7400438564).

9400556668 is a wasteful number, since it uses less digits than its factorization.

9400556668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50003012 (or 50003010 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The square root of 9400556668 is about 96956.4679018373. The cubic root of 9400556668 is about 2110.4959540356.

The spelling of 9400556668 in words is "nine billion, four hundred million, five hundred fifty-six thousand, six hundred sixty-eight".