520112744 has 16 divisors (see below), whose sum is σ = 993612420. Its totient is φ = 255149440.

The previous prime is 520112741. The next prime is 520112753. The reversal of 520112744 is 447211025.

It can be written as a sum of positive squares in 2 ways, for example, as 500416900 + 19695844 = 22370^2 + 4438^2 .

It is not an unprimeable number, because it can be changed into a prime (520112741) 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, 612917 + ... + 613764.

Almost surely, 2^520112744 is an apocalyptic number.

It is an amenable number.

520112744 is a deficient number, since it is larger than the sum of its proper divisors (473499676).

520112744 is a wasteful number, since it uses less digits than its factorization.

520112744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226740 (or 1226736 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 520112744 is about 22805.9804437345. The cubic root of 520112744 is about 804.2032645315.

Adding to 520112744 its reverse (447211025), we get a palindrome (967323769).

The spelling of 520112744 in words is "five hundred twenty million, one hundred twelve thousand, seven hundred forty-four".