478049830 has 8 divisors (see below), whose sum is σ = 860489712. Its totient is φ = 191219928.

The previous prime is 478049827. The next prime is 478049837. The reversal of 478049830 is 38940874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478049837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23902482 + ... + 23902501.

It is an arithmetic number, because the mean of its divisors is an integer number (107561214).

Almost surely, 2^478049830 is an apocalyptic number.

478049830 is a deficient number, since it is larger than the sum of its proper divisors (382439882).

478049830 is a wasteful number, since it uses less digits than its factorization.

478049830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47804990.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 478049830 is about 21864.3506649523. The cubic root of 478049830 is about 781.9117198548.

The spelling of 478049830 in words is "four hundred seventy-eight million, forty-nine thousand, eight hundred thirty".