478642472 has 64 divisors (see below), whose sum is σ = 1122992640. Its totient is φ = 185803200.

The previous prime is 478642399. The next prime is 478642481. The reversal of 478642472 is 274246874.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187847 + ... + 190377.

It is an arithmetic number, because the mean of its divisors is an integer number (17546760).

Almost surely, 2^478642472 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 478642472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561496320).

478642472 is an abundant number, since it is smaller than the sum of its proper divisors (644350168).

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

478642472 is a wasteful number, since it uses less digits than its factorization.

478642472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862 (or 2858 counting only the distinct ones).

The product of its digits is 602112, while the sum is 44.

The square root of 478642472 is about 21877.8991678817. The cubic root of 478642472 is about 782.2347003875.

The spelling of 478642472 in words is "four hundred seventy-eight million, six hundred forty-two thousand, four hundred seventy-two".