520956007356 has 24 divisors (see below), whose sum is σ = 1215826178560. Its totient is φ = 173614550832.

The previous prime is 520956007339. The next prime is 520956007361. The reversal of 520956007356 is 653700659025.

It is a super-2 number, since 2×520956007356² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4623466 + ... + 4734801.

Almost surely, 2^520956007356 is an apocalyptic number.

It is an amenable number.

520956007356 is an abundant number, since it is smaller than the sum of its proper divisors (694870171204).

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

520956007356 is a wasteful number, since it uses less digits than its factorization.

520956007356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362913 (or 9362911 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 48.

The spelling of 520956007356 in words is "five hundred twenty billion, nine hundred fifty-six million, seven thousand, three hundred fifty-six".