478528198466 has 8 divisors (see below), whose sum is σ = 718858855884. Its totient is φ = 238908579840.

The previous prime is 478528198453. The next prime is 478528198471. The reversal of 478528198466 is 664891825874.

It can be written as a sum of positive squares in 2 ways, for example, as 402368205625 + 76159992841 = 634325^2 + 275971^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 478528198396 and 478528198405.

It is an unprimeable number.

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, 177758015 + ... + 177760706.

Almost surely, 2^478528198466 is an apocalyptic number.

478528198466 is a deficient number, since it is larger than the sum of its proper divisors (240330657418).

478528198466 is a wasteful number, since it uses less digits than its factorization.

478528198466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355519396.

The product of its digits is 185794560, while the sum is 68.

The spelling of 478528198466 in words is "four hundred seventy-eight billion, five hundred twenty-eight million, one hundred ninety-eight thousand, four hundred sixty-six".