520540414241455 has 24 divisors (see below), whose sum is σ = 660132900045504. Its totient is φ = 393989519880000.

The previous prime is 520540414241389. The next prime is 520540414241459. The reversal of 520540414241455 is 554142414045025.

It is a happy number.

It is not a de Polignac number, because 520540414241455 - 2¹³ = 520540414233263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520540414241459) 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, 190647136 + ... + 193358245.

It is an arithmetic number, because the mean of its divisors is an integer number (27505537501896).

Almost surely, 2^{520540414241455} is an apocalyptic number.

520540414241455 is a deficient number, since it is larger than the sum of its proper divisors (139592485804049).

520540414241455 is a wasteful number, since it uses less digits than its factorization.

520540414241455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384006175 (or 384006156 counting only the distinct ones).

The product of its (nonzero) digits is 2560000, while the sum is 46.

The spelling of 520540414241455 in words is "five hundred twenty trillion, five hundred forty billion, four hundred fourteen million, two hundred forty-one thousand, four hundred fifty-five".