520287942 has 16 divisors (see below), whose sum is σ = 1074143232. Its totient is φ = 167834760.

The previous prime is 520287893. The next prime is 520287947. The reversal of 520287942 is 249782025.

It is a self number, because there is not a number n which added to its sum of digits gives 520287942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520287947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398438 + ... + 1398809.

It is an arithmetic number, because the mean of its divisors is an integer number (67133952).

Almost surely, 2^520287942 is an apocalyptic number.

520287942 is an abundant number, since it is smaller than the sum of its proper divisors (553855290).

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

520287942 is a wasteful number, since it uses less digits than its factorization.

520287942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797283.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 520287942 is about 22809.8211742223. The cubic root of 520287942 is about 804.2935519985.

The spelling of 520287942 in words is "five hundred twenty million, two hundred eighty-seven thousand, nine hundred forty-two".