478468628 has 48 divisors (see below), whose sum is σ = 939314880. Its totient is φ = 211411200.

The previous prime is 478468619. The next prime is 478468631. The reversal of 478468628 is 826864874.

It is a self number, because there is not a number n which added to its sum of digits gives 478468628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237875 + ... + 239877.

It is an arithmetic number, because the mean of its divisors is an integer number (19569060).

Almost surely, 2^478468628 is an apocalyptic number.

It is an amenable number.

478468628 is a deficient number, since it is larger than the sum of its proper divisors (460846252).

478468628 is a wasteful number, since it uses less digits than its factorization.

478468628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168 (or 2166 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 53.

The square root of 478468628 is about 21873.9257564800. The cubic root of 478468628 is about 782.1399857978.

The spelling of 478468628 in words is "four hundred seventy-eight million, four hundred sixty-eight thousand, six hundred twenty-eight".