478446474 has 32 divisors (see below), whose sum is σ = 1044771840. Its totient is φ = 144860400.

The previous prime is 478446431. The next prime is 478446481. The reversal of 478446474 is 474644874.

It is a super-2 number, since 2×478446474² = 457822056966065352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101919 + ... + 106509.

It is an arithmetic number, because the mean of its divisors is an integer number (32649120).

Almost surely, 2^478446474 is an apocalyptic number.

478446474 is an abundant number, since it is smaller than the sum of its proper divisors (566325366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478446474 is a wasteful number, since it uses less digits than its factorization.

478446474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186.

The product of its digits is 2408448, while the sum is 48.

The square root of 478446474 is about 21873.4193486067. The cubic root of 478446474 is about 782.1279140926.

The spelling of 478446474 in words is "four hundred seventy-eight million, four hundred forty-six thousand, four hundred seventy-four".