479504642 has 4 divisors (see below), whose sum is σ = 719256966. Its totient is φ = 239752320.

The previous prime is 479504609. The next prime is 479504651. The reversal of 479504642 is 246405974.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 471714961 + 7789681 = 21719^2 + 2791^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 479504642.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 119876159 + ... + 119876162.

Almost surely, 2^479504642 is an apocalyptic number.

479504642 is a deficient number, since it is larger than the sum of its proper divisors (239752324).

479504642 is a wasteful number, since it uses less digits than its factorization.

479504642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239752323.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 479504642 is about 21897.5944340925. The cubic root of 479504642 is about 782.7040937212.

The spelling of 479504642 in words is "four hundred seventy-nine million, five hundred four thousand, six hundred forty-two".