506043644 has 12 divisors (see below), whose sum is σ = 932185800. Its totient is φ = 239704848.

The previous prime is 506043623. The next prime is 506043647. The reversal of 506043644 is 446340605.

It is a self number, because there is not a number n which added to its sum of digits gives 506043644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506043647) 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, 3329159 + ... + 3329310.

It is an arithmetic number, because the mean of its divisors is an integer number (77682150).

Almost surely, 2^506043644 is an apocalyptic number.

It is an amenable number.

506043644 is a deficient number, since it is larger than the sum of its proper divisors (426142156).

506043644 is a wasteful number, since it uses less digits than its factorization.

506043644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658492 (or 6658490 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 506043644 is about 22495.4138437149. The cubic root of 506043644 is about 796.8856228014.

The spelling of 506043644 in words is "five hundred six million, forty-three thousand, six hundred forty-four".