478232320 has 72 divisors (see below), whose sum is σ = 1150191504. Its totient is φ = 190513152.

The previous prime is 478232317. The next prime is 478232351. The reversal of 478232320 is 23232874.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 392352 + ... + 393568.

It is an arithmetic number, because the mean of its divisors is an integer number (15974882).

Almost surely, 2^478232320 is an apocalyptic number.

478232320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575095752).

478232320 is an abundant number, since it is smaller than the sum of its proper divisors (671959184).

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

478232320 is a wasteful number, since it uses less digits than its factorization.

478232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 478232320 is about 21868.5234983983. The cubic root of 478232320 is about 782.0112024524.

The spelling of 478232320 in words is "four hundred seventy-eight million, two hundred thirty-two thousand, three hundred twenty".