520755426560 has 144 divisors (see below), whose sum is σ = 1256765664000. Its totient is φ = 206738915328.

The previous prime is 520755426553. The next prime is 520755426599. The reversal of 520755426560 is 65624557025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111819752 + ... + 111824408.

Almost surely, 2^520755426560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520755426560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628382832000).

520755426560 is an abundant number, since it is smaller than the sum of its proper divisors (736010237440).

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

520755426560 is a wasteful number, since it uses less digits than its factorization.

520755426560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316 (or 5302 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 47.

The spelling of 520755426560 in words is "five hundred twenty billion, seven hundred fifty-five million, four hundred twenty-six thousand, five hundred sixty".