520849679760 has 1120 divisors, whose sum is σ = 1993036008960. Its totient is φ = 126092132352.

The previous prime is 520849679743. The next prime is 520849679809. The reversal of 520849679760 is 67976948025.

520849679760 is a `hidden beast` number, since 5 + 2 + 0 + 8 + 496 + 79 + 76 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 3801822412 + ... + 3801822548.

Almost surely, 2^520849679760 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 520849679760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (996518004480).

520849679760 is an abundant number, since it is smaller than the sum of its proper divisors (1472186329200).

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

520849679760 is a wasteful number, since it uses less digits than its factorization.

520849679760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 520849679760 in words is "five hundred twenty billion, eight hundred forty-nine million, six hundred seventy-nine thousand, seven hundred sixty".