520289068 has 12 divisors (see below), whose sum is σ = 980544880. Its totient is φ = 240133392.

The previous prime is 520289059. The next prime is 520289071. The reversal of 520289068 is 860982025.

It is a self number, because there is not a number n which added to its sum of digits gives 520289068.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5002728 + ... + 5002831.

Almost surely, 2^520289068 is an apocalyptic number.

It is an amenable number.

520289068 is a deficient number, since it is larger than the sum of its proper divisors (460255812).

520289068 is a wasteful number, since it uses less digits than its factorization.

520289068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10005576 (or 10005574 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 520289068 is about 22809.8458565594. The cubic root of 520289068 is about 804.2941322117.

The spelling of 520289068 in words is "five hundred twenty million, two hundred eighty-nine thousand, sixty-eight".