505534204464 has 20 divisors (see below), whose sum is σ = 1305963361656. Its totient is φ = 168511401472.

The previous prime is 505534204423. The next prime is 505534204471. The reversal of 505534204464 is 464402435505.

It is a happy number.

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, 5265981249 + ... + 5265981344.

Almost surely, 2^505534204464 is an apocalyptic number.

It is an amenable number.

505534204464 is an abundant number, since it is smaller than the sum of its proper divisors (800429157192).

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

505534204464 is a wasteful number, since it uses less digits than its factorization.

505534204464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531962604 (or 10531962598 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 505534204464 its reverse (464402435505), we get a palindrome (969936639969).

The spelling of 505534204464 in words is "five hundred five billion, five hundred thirty-four million, two hundred four thousand, four hundred sixty-four".