520530144024 has 32 divisors (see below), whose sum is σ = 1419627666240. Its totient is φ = 157736407200.

The previous prime is 520530143983. The next prime is 520530144031. The reversal of 520530144024 is 420441035025.

It is a junction number, because it is equal to n+sod(n) for n = 520530143982 and 520530144000.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 985852282 + ... + 985852809.

It is an arithmetic number, because the mean of its divisors is an integer number (44363364570).

Almost surely, 2^520530144024 is an apocalyptic number.

It is an amenable number.

520530144024 is an abundant number, since it is smaller than the sum of its proper divisors (899097522216).

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

520530144024 is a wasteful number, since it uses less digits than its factorization.

520530144024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971705111 (or 1971705107 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 520530144024 its reverse (420441035025), we get a palindrome (940971179049).

The spelling of 520530144024 in words is "five hundred twenty billion, five hundred thirty million, one hundred forty-four thousand, twenty-four".