478844418 has 16 divisors (see below), whose sum is σ = 1031357376. Its totient is φ = 147336720.

The previous prime is 478844411. The next prime is 478844419. The reversal of 478844418 is 814448874.

It is not an unprimeable number, because it can be changed into a prime (478844411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3069438 + ... + 3069593.

It is an arithmetic number, because the mean of its divisors is an integer number (64459836).

Almost surely, 2^478844418 is an apocalyptic number.

478844418 is an abundant number, since it is smaller than the sum of its proper divisors (552512958).

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

478844418 is a wasteful number, since it uses less digits than its factorization.

478844418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6139049.

The product of its digits is 917504, while the sum is 48.

The square root of 478844418 is about 21882.5139780602. The cubic root of 478844418 is about 782.3446968649.

The spelling of 478844418 in words is "four hundred seventy-eight million, eight hundred forty-four thousand, four hundred eighteen".