478449168 has 20 divisors (see below), whose sum is σ = 1235993808. Its totient is φ = 159483040.

The previous prime is 478449161. The next prime is 478449193. The reversal of 478449168 is 861944874.

It is a self number, because there is not a number n which added to its sum of digits gives 478449168.

It is not an unprimeable number, because it can be changed into a prime (478449161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4983798 + ... + 4983893.

Almost surely, 2^478449168 is an apocalyptic number.

478449168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

478449168 is an abundant number, since it is smaller than the sum of its proper divisors (757544640).

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

478449168 is a wasteful number, since it uses less digits than its factorization.

478449168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9967702 (or 9967696 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 478449168 is about 21873.4809301126. The cubic root of 478449168 is about 782.1293820719.

The spelling of 478449168 in words is "four hundred seventy-eight million, four hundred forty-nine thousand, one hundred sixty-eight".