520938880 has 288 divisors, whose sum is σ = 1616524560. Its totient is φ = 157132800.

The previous prime is 520938863. The next prime is 520938881. The reversal of 520938880 is 88839025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520938881) 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 35 ways as a sum of consecutive naturals, for example, 16804465 + ... + 16804495.

Almost surely, 2^520938880 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 520938880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808262280).

520938880 is an abundant number, since it is smaller than the sum of its proper divisors (1095585680).

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

520938880 is a wasteful number, since it uses less digits than its factorization.

520938880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 520938880 is about 22824.0855238496. The cubic root of 520938880 is about 804.6288323998.

The spelling of 520938880 in words is "five hundred twenty million, nine hundred thirty-eight thousand, eight hundred eighty".