520334381056 has 416 divisors, whose sum is σ = 1317175706880. Its totient is φ = 200382873600.

The previous prime is 520334381053. The next prime is 520334381089. The reversal of 520334381056 is 650183433025.

It is a super-2 number, since 2×520334381056² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520334381053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1851723636 + ... + 1851723916.

Almost surely, 2^520334381056 is an apocalyptic number.

520334381056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520334381056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658587853440).

520334381056 is an abundant number, since it is smaller than the sum of its proper divisors (796841325824).

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

520334381056 is a wasteful number, since it uses less digits than its factorization.

520334381056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 520334381056 in words is "five hundred twenty billion, three hundred thirty-four million, three hundred eighty-one thousand, fifty-six".