478306982656 has 36 divisors (see below), whose sum is σ = 955390998744. Its totient is φ = 238991820800.

The previous prime is 478306982651. The next prime is 478306982677. The reversal of 478306982656 is 656289603874.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (478306982651) 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, 251650 + ... + 1009921.

It is an arithmetic number, because the mean of its divisors is an integer number (26538638854).

Almost surely, 2^478306982656 is an apocalyptic number.

It is an amenable number.

478306982656 is a deficient number, since it is larger than the sum of its proper divisors (477084016088).

478306982656 is a wasteful number, since it uses less digits than its factorization.

478306982656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263068 (or 1263054 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 478306982656 in words is "four hundred seventy-eight billion, three hundred six million, nine hundred eighty-two thousand, six hundred fifty-six".