478998256 has 40 divisors (see below), whose sum is σ = 1071989424. Its totient is φ = 204917760.

The previous prime is 478998241. The next prime is 478998269. The reversal of 478998256 is 652899874.

It is a self number, because there is not a number n which added to its sum of digits gives 478998256.

It is a congruent number.

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, 77055 + ... + 83038.

Almost surely, 2^478998256 is an apocalyptic number.

It is an amenable number.

478998256 is an abundant number, since it is smaller than the sum of its proper divisors (592991168).

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

478998256 is a wasteful number, since it uses less digits than its factorization.

478998256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160129 (or 160123 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 58.

The square root of 478998256 is about 21886.0287855061. The cubic root of 478998256 is about 782.4284689995.

The spelling of 478998256 in words is "four hundred seventy-eight million, nine hundred ninety-eight thousand, two hundred fifty-six".