478252548 has 18 divisors (see below), whose sum is σ = 1208916254. Its totient is φ = 159417504.

The previous prime is 478252513. The next prime is 478252559. The reversal of 478252548 is 845252874.

478252548 is a `hidden beast` number, since 4 + 7 + 82 + 525 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 457018884 + 21233664 = 21378^2 + 4608^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6642361 + ... + 6642432.

Almost surely, 2^478252548 is an apocalyptic number.

It is an amenable number.

478252548 is an abundant number, since it is smaller than the sum of its proper divisors (730663706).

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

478252548 is a wasteful number, since it uses less digits than its factorization.

478252548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13284803 (or 13284798 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 478252548 is about 21868.9859847227. The cubic root of 478252548 is about 782.0222279861.

The spelling of 478252548 in words is "four hundred seventy-eight million, two hundred fifty-two thousand, five hundred forty-eight".