520066240 has 28 divisors (see below), whose sum is σ = 1238408496. Its totient is φ = 208026368.

The previous prime is 520066231. The next prime is 520066247. The reversal of 520066240 is 42660025.

It is not an unprimeable number, because it can be changed into a prime (520066247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812284 + ... + 812923.

Almost surely, 2^520066240 is an apocalyptic number.

It is an amenable number.

520066240 is an abundant number, since it is smaller than the sum of its proper divisors (718342256).

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

520066240 is a wasteful number, since it uses less digits than its factorization.

520066240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625224 (or 1625214 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 520066240 is about 22804.9608638121. The cubic root of 520066240 is about 804.1792955083.

The spelling of 520066240 in words is "five hundred twenty million, sixty-six thousand, two hundred forty".