520353710436042 has 48 divisors (see below), whose sum is σ = 1288507243233600. Its totient is φ = 148671064711296.

The previous prime is 520353710436041. The next prime is 520353710436113. The reversal of 520353710436042 is 240634017353025.

It is a happy number.

520353710436042 is a `hidden beast` number, since 5 + 2 + 0 + 3 + 5 + 37 + 1 + 0 + 4 + 3 + 604 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (520353710436041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6535167 + ... + 32915282.

It is an arithmetic number, because the mean of its divisors is an integer number (26843900900700).

Almost surely, 2^{520353710436042} is an apocalyptic number.

520353710436042 is an abundant number, since it is smaller than the sum of its proper divisors (768153532797558).

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

520353710436042 is a wasteful number, since it uses less digits than its factorization.

520353710436042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39555147 (or 39555144 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 45.

Adding to 520353710436042 its reverse (240634017353025), we get a palindrome (760987727789067).

The spelling of 520353710436042 in words is "five hundred twenty trillion, three hundred fifty-three billion, seven hundred ten million, four hundred thirty-six thousand, forty-two".