520982280 has 768 divisors, whose sum is σ = 2348236800. Its totient is φ = 100776960.

The previous prime is 520982279. The next prime is 520982317. The reversal of 520982280 is 82289025.

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 191 ways as a sum of consecutive naturals, for example, 16805865 + ... + 16805895.

It is an arithmetic number, because the mean of its divisors is an integer number (3057600).

Almost surely, 2^520982280 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 520982280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174118400).

520982280 is an abundant number, since it is smaller than the sum of its proper divisors (1827254520).

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

520982280 is a wasteful number, since it uses less digits than its factorization.

520982280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 80 counting only the distinct ones).

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

The square root of 520982280 is about 22825.0362540785. The cubic root of 520982280 is about 804.6511766216.

The spelling of 520982280 in words is "five hundred twenty million, nine hundred eighty-two thousand, two hundred eighty".