505042240504 has 8 divisors (see below), whose sum is σ = 946954200960. Its totient is φ = 252521120248.

The previous prime is 505042240501. The next prime is 505042240529. The reversal of 505042240504 is 405042240505.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505042240501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31565140024 + ... + 31565140039.

It is an arithmetic number, because the mean of its divisors is an integer number (118369275120).

Almost surely, 2^505042240504 is an apocalyptic number.

It is an amenable number.

505042240504 is a deficient number, since it is larger than the sum of its proper divisors (441911960456).

505042240504 is a wasteful number, since it uses less digits than its factorization.

505042240504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63130280069 (or 63130280065 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

Subtracting from 505042240504 its reverse (405042240505), we obtain a palindrome (99999999999).

The spelling of 505042240504 in words is "five hundred five billion, forty-two million, two hundred forty thousand, five hundred four".