505365030464 has 56 divisors (see below), whose sum is σ = 1146174065280. Its totient is φ = 216570203136.

The previous prime is 505365030439. The next prime is 505365030487. The reversal of 505365030464 is 464030563505.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8756069 + ... + 8813595.

Almost surely, 2^505365030464 is an apocalyptic number.

It is an amenable number.

505365030464 is an abundant number, since it is smaller than the sum of its proper divisors (640809034816).

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

505365030464 is a wasteful number, since it uses less digits than its factorization.

505365030464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77155 (or 77145 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 505365030464 its reverse (464030563505), we get a palindrome (969395593969).

The spelling of 505365030464 in words is "five hundred five billion, three hundred sixty-five million, thirty thousand, four hundred sixty-four".