520453744516466 has 8 divisors (see below), whose sum is σ = 781169458743660. Its totient is φ = 260063924935248.

The previous prime is 520453744516457. The next prime is 520453744516469. The reversal of 520453744516466 is 664615447354025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 497509500816241 + 22944243700225 = 22304921^2 + 4790015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 520453744516399 and 520453744516408.

It is not an unprimeable number, because it can be changed into a prime (520453744516469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81473657501 + ... + 81473663888.

Almost surely, 2^{520453744516466} is an apocalyptic number.

520453744516466 is a deficient number, since it is larger than the sum of its proper divisors (260715714227194).

520453744516466 is a wasteful number, since it uses less digits than its factorization.

520453744516466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162947322988.

The product of its (nonzero) digits is 290304000, while the sum is 62.

The spelling of 520453744516466 in words is "five hundred twenty trillion, four hundred fifty-three billion, seven hundred forty-four million, five hundred sixteen thousand, four hundred sixty-six".