479218441 has 4 divisors (see below), whose sum is σ = 516081412. Its totient is φ = 442355472.

The previous prime is 479218433. The next prime is 479218447. The reversal of 479218441 is 144812974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144812974 = 2 ⋅72406487.

It can be written as a sum of positive squares in 2 ways, for example, as 197683600 + 281534841 = 14060^2 + 16779^2 .

It is not a de Polignac number, because 479218441 - 2³ = 479218433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 479218394 and 479218403.

It is not an unprimeable number, because it can be changed into a prime (479218447) 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 3 ways as a sum of consecutive naturals, for example, 18431466 + ... + 18431491.

It is an arithmetic number, because the mean of its divisors is an integer number (129020353).

Almost surely, 2^479218441 is an apocalyptic number.

It is an amenable number.

479218441 is a deficient number, since it is larger than the sum of its proper divisors (36862971).

479218441 is a wasteful number, since it uses less digits than its factorization.

479218441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36862970.

The product of its digits is 64512, while the sum is 40.

The square root of 479218441 is about 21891.0584714399. The cubic root of 479218441 is about 782.5483390403.

The spelling of 479218441 in words is "four hundred seventy-nine million, two hundred eighteen thousand, four hundred forty-one".