478442152 has 16 divisors (see below), whose sum is σ = 949848660. Its totient is φ = 225149184.

The previous prime is 478442149. The next prime is 478442177. The reversal of 478442152 is 251244874.

It can be written as a sum of positive squares in 2 ways, for example, as 457703236 + 20738916 = 21394^2 + 4554^2 .

It is a super-2 number, since 2×478442152² = 457813785620782208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758843 + ... + 1759114.

Almost surely, 2^478442152 is an apocalyptic number.

It is an amenable number.

478442152 is a deficient number, since it is larger than the sum of its proper divisors (471406508).

478442152 is a wasteful number, since it uses less digits than its factorization.

478442152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517980 (or 3517976 counting only the distinct ones).

The product of its digits is 71680, while the sum is 37.

The square root of 478442152 is about 21873.3205526733. The cubic root of 478442152 is about 782.1255589932.

The spelling of 478442152 in words is "four hundred seventy-eight million, four hundred forty-two thousand, one hundred fifty-two".