520234264464 has 20 divisors (see below), whose sum is σ = 1343938516656. Its totient is φ = 173411421472.

The previous prime is 520234264423. The next prime is 520234264483. The reversal of 520234264464 is 464462432025.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5419106874 + ... + 5419106969.

Almost surely, 2^520234264464 is an apocalyptic number.

It is an amenable number.

520234264464 is an abundant number, since it is smaller than the sum of its proper divisors (823704252192).

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

520234264464 is a wasteful number, since it uses less digits than its factorization.

520234264464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10838213854 (or 10838213848 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 42.

Adding to 520234264464 its reverse (464462432025), we get a palindrome (984696696489).

The spelling of 520234264464 in words is "five hundred twenty billion, two hundred thirty-four million, two hundred sixty-four thousand, four hundred sixty-four".