478163268 has 72 divisors (see below), whose sum is σ = 1349283936. Its totient is φ = 141523200.

The previous prime is 478163239. The next prime is 478163327. The reversal of 478163268 is 862361874.

478163268 is a `hidden beast` number, since 4 + 7 + 8 + 1 + 632 + 6 + 8 = 666.

It is a super-2 number, since 2×478163268² = 457280221728879648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2988 + ... + 31068.

Almost surely, 2^478163268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478163268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674641968).

478163268 is an abundant number, since it is smaller than the sum of its proper divisors (871120668).

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

478163268 is a wasteful number, since it uses less digits than its factorization.

478163268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28145 (or 28140 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 478163268 is about 21866.9446425421. The cubic root of 478163268 is about 781.9735624223.

The spelling of 478163268 in words is "four hundred seventy-eight million, one hundred sixty-three thousand, two hundred sixty-eight".