520187589242 has 16 divisors (see below), whose sum is σ = 781033785000. Its totient is φ = 259843064832.

The previous prime is 520187589191. The next prime is 520187589247. The reversal of 520187589242 is 242985781025.

It can be written as a sum of positive squares in 4 ways, for example, as 403503177961 + 116684411281 = 635219^2 + 341591^2 .

It is not an unprimeable number, because it can be changed into a prime (520187589247) 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, 19953488 + ... + 19979540.

Almost surely, 2^520187589242 is an apocalyptic number.

520187589242 is a deficient number, since it is larger than the sum of its proper divisors (260846195758).

520187589242 is a wasteful number, since it uses less digits than its factorization.

520187589242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35297.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 520187589242 in words is "five hundred twenty billion, one hundred eighty-seven million, five hundred eighty-nine thousand, two hundred forty-two".