478388472 has 16 divisors (see below), whose sum is σ = 1195971240. Its totient is φ = 159462816.

The previous prime is 478388399. The next prime is 478388473. The reversal of 478388472 is 274883874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478388473) 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 3 ways as a sum of consecutive naturals, for example, 9966403 + ... + 9966450.

Almost surely, 2^478388472 is an apocalyptic number.

It is an amenable number.

478388472 is an abundant number, since it is smaller than the sum of its proper divisors (717582768).

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

478388472 is a wasteful number, since it uses less digits than its factorization.

478388472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19932862 (or 19932858 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 51.

The square root of 478388472 is about 21872.0934526167. The cubic root of 478388472 is about 782.0963070623.

The spelling of 478388472 in words is "four hundred seventy-eight million, three hundred eighty-eight thousand, four hundred seventy-two".