478482240 has 112 divisors (see below), whose sum is σ = 1523683008. Its totient is φ = 127217664.

The previous prime is 478482229. The next prime is 478482247. The reversal of 478482240 is 42284874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478482247) by changing a digit.

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, 501604 + ... + 502556.

Almost surely, 2^478482240 is an apocalyptic number.

478482240 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 478482240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (761841504).

478482240 is an abundant number, since it is smaller than the sum of its proper divisors (1045200768).

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

478482240 is a wasteful number, since it uses less digits than its factorization.

478482240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1486 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 39.

The square root of 478482240 is about 21874.2369009755. The cubic root of 478482240 is about 782.1474027860.

The spelling of 478482240 in words is "four hundred seventy-eight million, four hundred eighty-two thousand, two hundred forty".