520922880 has 144 divisors (see below), whose sum is σ = 1848675360. Its totient is φ = 138903552.

The previous prime is 520922879. The next prime is 520922893. The reversal of 520922880 is 88229025.

It is a tau number, because it is divible by the number of its divisors (144).

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 15 ways as a sum of consecutive naturals, for example, 27024 + ... + 42096.

Almost surely, 2^520922880 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 520922880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (924337680).

520922880 is an abundant number, since it is smaller than the sum of its proper divisors (1327752480).

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

520922880 is a wasteful number, since it uses less digits than its factorization.

520922880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15103 (or 15083 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 520922880 is about 22823.7350142346. The cubic root of 520922880 is about 804.6205945856.

The spelling of 520922880 in words is "five hundred twenty million, nine hundred twenty-two thousand, eight hundred eighty".