478134458 has 8 divisors (see below), whose sum is σ = 733880928. Its totient is φ = 233507484.

The previous prime is 478134457. The next prime is 478134463. The reversal of 478134458 is 854431874.

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

It is a super-2 number, since 2×478134458² = 457225119853907528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (478134457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779766 + ... + 2779937.

It is an arithmetic number, because the mean of its divisors is an integer number (91735116).

Almost surely, 2^478134458 is an apocalyptic number.

478134458 is a deficient number, since it is larger than the sum of its proper divisors (255746470).

478134458 is a wasteful number, since it uses less digits than its factorization.

478134458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559748.

The product of its digits is 430080, while the sum is 44.

The square root of 478134458 is about 21866.2858757495. The cubic root of 478134458 is about 781.9578571097.

The spelling of 478134458 in words is "four hundred seventy-eight million, one hundred thirty-four thousand, four hundred fifty-eight".