478322472 has 64 divisors (see below), whose sum is σ = 1286971200. Its totient is φ = 147594240.

The previous prime is 478322461. The next prime is 478322479. The reversal of 478322472 is 274223874.

It is a self number, because there is not a number n which added to its sum of digits gives 478322472.

It is not an unprimeable number, because it can be changed into a prime (478322479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15279 + ... + 34497.

It is an arithmetic number, because the mean of its divisors is an integer number (20108925).

Almost surely, 2^478322472 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 478322472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643485600).

478322472 is an abundant number, since it is smaller than the sum of its proper divisors (808648728).

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

478322472 is a wasteful number, since it uses less digits than its factorization.

478322472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19306 (or 19302 counting only the distinct ones).

The product of its digits is 150528, while the sum is 39.

The square root of 478322472 is about 21870.5846286742. The cubic root of 478322472 is about 782.0603385741.

The spelling of 478322472 in words is "four hundred seventy-eight million, three hundred twenty-two thousand, four hundred seventy-two".