520540033012 has 12 divisors (see below), whose sum is σ = 911003557156. Its totient is φ = 260253302400.

The previous prime is 520540033003. The next prime is 520540033051. The reversal of 520540033012 is 210330045025.

It can be written as a sum of positive squares in 2 ways, for example, as 382710500496 + 137829532516 = 618636^2 + 371254^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4108323 + ... + 4233130.

Almost surely, 2^520540033012 is an apocalyptic number.

It is an amenable number.

520540033012 is a deficient number, since it is larger than the sum of its proper divisors (390463524144).

520540033012 is a wasteful number, since it uses less digits than its factorization.

520540033012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8357058 (or 8357056 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 520540033012 its reverse (210330045025), we get a palindrome (730870078037).

The spelling of 520540033012 in words is "five hundred twenty billion, five hundred forty million, thirty-three thousand, twelve".