520542251244432 has 60 divisors (see below), whose sum is σ = 1458531675706560. Its totient is φ = 173307273119424.

The previous prime is 520542251244401. The next prime is 520542251244461. The reversal of 520542251244432 is 234442152245025.

520542251244432 is a `hidden beast` number, since 5 + 2 + 0 + 54 + 2 + 2 + 512 + 44 + 43 + 2 = 666.

It is a super-4 number, since 4×520542251244432⁴ (a number of 60 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2154156148 + ... + 2154397779.

It is an arithmetic number, because the mean of its divisors is an integer number (24308861261776).

Almost surely, 2^{520542251244432} is an apocalyptic number.

It is an amenable number.

520542251244432 is an abundant number, since it is smaller than the sum of its proper divisors (937989424462128).

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

520542251244432 is a wasteful number, since it uses less digits than its factorization.

520542251244432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308554780 (or 4308554771 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 45.

The spelling of 520542251244432 in words is "five hundred twenty trillion, five hundred forty-two billion, two hundred fifty-one million, two hundred forty-four thousand, four hundred thirty-two".