478262268 has 72 divisors (see below), whose sum is σ = 1334825856. Its totient is φ = 143172000.

The previous prime is 478262233. The next prime is 478262293. The reversal of 478262268 is 862262874.

It is a congruent number.

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, 25593 + ... + 40143.

It is an arithmetic number, because the mean of its divisors is an integer number (18539248).

Almost surely, 2^478262268 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 478262268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667412928).

478262268 is an abundant number, since it is smaller than the sum of its proper divisors (856563588).

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

478262268 is a wasteful number, since it uses less digits than its factorization.

478262268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14655 (or 14650 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 478262268 is about 21869.2082161198. The cubic root of 478262268 is about 782.0275258875.

The spelling of 478262268 in words is "four hundred seventy-eight million, two hundred sixty-two thousand, two hundred sixty-eight".