476388640064668 has 24 divisors (see below), whose sum is σ = 836873307924192. Its totient is φ = 237282031094784.

The previous prime is 476388640064663. The next prime is 476388640064669. The reversal of 476388640064668 is 866460046883674.

It is a happy number.

It is a super-2 number, since 2×476388640064668² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 476388640064594 and 476388640064603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476388640064663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31603396 + ... + 44176372.

It is an arithmetic number, because the mean of its divisors is an integer number (34869721163508).

Almost surely, 2^{476388640064668} is an apocalyptic number.

It is an amenable number.

476388640064668 is a deficient number, since it is larger than the sum of its proper divisors (360484667859524).

476388640064668 is a wasteful number, since it uses less digits than its factorization.

476388640064668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12609261 (or 12609259 counting only the distinct ones).

The product of its (nonzero) digits is 5350883328, while the sum is 76.

The spelling of 476388640064668 in words is "four hundred seventy-six trillion, three hundred eighty-eight billion, six hundred forty million, sixty-four thousand, six hundred sixty-eight".