478432548 has 144 divisors (see below), whose sum is σ = 1408565760. Its totient is φ = 140184000.

The previous prime is 478432543. The next prime is 478432573. The reversal of 478432548 is 845234874.

It is a happy number.

478432548 is a `hidden beast` number, since 4 + 78 + 4 + 32 + 548 = 666.

It is a super-3 number, since 3×478432548³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (478432541) 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 47 ways as a sum of consecutive naturals, for example, 404518 + ... + 405698.

Almost surely, 2^478432548 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 478432548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704282880).

478432548 is an abundant number, since it is smaller than the sum of its proper divisors (930133212).

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

478432548 is a wasteful number, since it uses less digits than its factorization.

478432548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1228 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 478432548 is about 21873.1010147167. The cubic root of 478432548 is about 782.1203256303.

The spelling of 478432548 in words is "four hundred seventy-eight million, four hundred thirty-two thousand, five hundred forty-eight".