520850880 has 336 divisors, whose sum is σ = 2007034848. Its totient is φ = 122880000.

The previous prime is 520850867. The next prime is 520850917. The reversal of 520850880 is 88058025.

520850880 is a `hidden beast` number, since 520 + 8 + 50 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1298680 + ... + 1299080.

It is an arithmetic number, because the mean of its divisors is an integer number (5973318).

Almost surely, 2^520850880 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 520850880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003517424).

520850880 is an abundant number, since it is smaller than the sum of its proper divisors (1486183968).

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

520850880 is a wasteful number, since it uses less digits than its factorization.

520850880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 520850880 is about 22822.1576543499. The cubic root of 520850880 is about 804.5835223341.

The spelling of 520850880 in words is "five hundred twenty million, eight hundred fifty thousand, eight hundred eighty".