478326442 has 8 divisors (see below), whose sum is σ = 782716032. Its totient is φ = 217421100.

The previous prime is 478326421. The next prime is 478326449. The reversal of 478326442 is 244623874.

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

It is a junction number, because it is equal to n+sod(n) for n = 478326395 and 478326404.

It is not an unprimeable number, because it can be changed into a prime (478326449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10871034 + ... + 10871077.

It is an arithmetic number, because the mean of its divisors is an integer number (97839504).

Almost surely, 2^478326442 is an apocalyptic number.

478326442 is a deficient number, since it is larger than the sum of its proper divisors (304389590).

478326442 is a wasteful number, since it uses less digits than its factorization.

478326442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21742124.

The product of its digits is 258048, while the sum is 40.

The square root of 478326442 is about 21870.6753896628. The cubic root of 478326442 is about 782.0625022267.

The spelling of 478326442 in words is "four hundred seventy-eight million, three hundred twenty-six thousand, four hundred forty-two".