478308042 has 48 divisors (see below), whose sum is σ = 1057617600. Its totient is φ = 156188736.

The previous prime is 478308037. The next prime is 478308079. The reversal of 478308042 is 240803874.

It is a super-4 number, since 4×478308042⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 478307988 and 478308006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238998 + ... + 240990.

It is an arithmetic number, because the mean of its divisors is an integer number (22033700).

Almost surely, 2^478308042 is an apocalyptic number.

478308042 is an abundant number, since it is smaller than the sum of its proper divisors (579309558).

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

478308042 is a wasteful number, since it uses less digits than its factorization.

478308042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 478308042 is about 21870.2547310268. The cubic root of 478308042 is about 782.0524741139.

The spelling of 478308042 in words is "four hundred seventy-eight million, three hundred eight thousand, forty-two".