520144551540552 has 32 divisors (see below), whose sum is σ = 1300386430824480. Its totient is φ = 173378176917120.

The previous prime is 520144551540529. The next prime is 520144551540599. The reversal of 520144551540552 is 255045155441025.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207494574 + ... + 209986397.

It is an arithmetic number, because the mean of its divisors is an integer number (40637075963265).

Almost surely, 2^{520144551540552} is an apocalyptic number.

It is an amenable number.

520144551540552 is an abundant number, since it is smaller than the sum of its proper divisors (780241879283928).

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

520144551540552 is a wasteful number, since it uses less digits than its factorization.

520144551540552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417532893 (or 417532889 counting only the distinct ones).

The product of its (nonzero) digits is 4000000, while the sum is 48.

The spelling of 520144551540552 in words is "five hundred twenty trillion, one hundred forty-four billion, five hundred fifty-one million, five hundred forty thousand, five hundred fifty-two".