478664910 has 64 divisors (see below), whose sum is σ = 1343635200. Its totient is φ = 120924576.

The previous prime is 478664899. The next prime is 478664941. The reversal of 478664910 is 19466874.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41524 + ... + 51783.

It is an arithmetic number, because the mean of its divisors is an integer number (20994300).

Almost surely, 2^478664910 is an apocalyptic number.

478664910 is an abundant number, since it is smaller than the sum of its proper divisors (864970290).

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

478664910 is a wasteful number, since it uses less digits than its factorization.

478664910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93342 (or 93336 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 478664910 is about 21878.4119624803. The cubic root of 478664910 is about 782.2469235039.

It can be divided in two parts, 4786 and 64910, that added together give a palindrome (69696).

The spelling of 478664910 in words is "four hundred seventy-eight million, six hundred sixty-four thousand, nine hundred ten".