478441268 has 24 divisors (see below), whose sum is σ = 890357832. Its totient is φ = 224175104.

The previous prime is 478441253. The next prime is 478441273. The reversal of 478441268 is 862144874.

It can be written as a sum of positive squares in 4 ways, for example, as 30780304 + 447660964 = 5548^2 + 21158^2 .

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, 746 + ... + 30942.

It is an arithmetic number, because the mean of its divisors is an integer number (37098243).

Almost surely, 2^478441268 is an apocalyptic number.

It is an amenable number.

478441268 is a deficient number, since it is larger than the sum of its proper divisors (411916564).

478441268 is a wasteful number, since it uses less digits than its factorization.

478441268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30451 (or 30449 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 478441268 is about 21873.3003453983. The cubic root of 478441268 is about 782.1250772913.

The spelling of 478441268 in words is "four hundred seventy-eight million, four hundred forty-one thousand, two hundred sixty-eight".