478184018468 has 24 divisors (see below), whose sum is σ = 901614876792. Its totient is φ = 220596989184.

The previous prime is 478184018447. The next prime is 478184018497. The reversal of 478184018468 is 864810481874.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37776587044 + 440407431424 = 194362^2 + 663632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2040455 + ... + 2262702.

It is an arithmetic number, because the mean of its divisors is an integer number (37567286533).

Almost surely, 2^478184018468 is an apocalyptic number.

It is an amenable number.

478184018468 is a deficient number, since it is larger than the sum of its proper divisors (423430858324).

478184018468 is a wasteful number, since it uses less digits than its factorization.

478184018468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305311 (or 4305309 counting only the distinct ones).

The product of its (nonzero) digits is 11010048, while the sum is 59.

The spelling of 478184018468 in words is "four hundred seventy-eight billion, one hundred eighty-four million, eighteen thousand, four hundred sixty-eight".