520456400223050 has 12 divisors (see below), whose sum is σ = 968048904414966. Its totient is φ = 208182560089200.

The previous prime is 520456400223043. The next prime is 520456400223073. The reversal of 520456400223050 is 50322004654025.

It can be written as a sum of positive squares in 3 ways, for example, as 363794854587649 + 156661545635401 = 19073407^2 + 12516451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 520456400222995 and 520456400223013.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5204564002181 + ... + 5204564002280.

Almost surely, 2^{520456400223050} is an apocalyptic number.

520456400223050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

520456400223050 is a deficient number, since it is larger than the sum of its proper divisors (447592504191916).

520456400223050 is a wasteful number, since it uses less digits than its factorization.

520456400223050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10409128004473 (or 10409128004468 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 520456400223050 its reverse (50322004654025), we get a palindrome (570778404877075).

The spelling of 520456400223050 in words is "five hundred twenty trillion, four hundred fifty-six billion, four hundred million, two hundred twenty-three thousand, fifty".