505516805404 has 12 divisors (see below), whose sum is σ = 952704748744. Its totient is φ = 233315448624.

The previous prime is 505516805399. The next prime is 505516805461. The reversal of 505516805404 is 404508615505.

It is a congruent 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, 4860738462 + ... + 4860738565.

Almost surely, 2^505516805404 is an apocalyptic number.

It is an amenable number.

505516805404 is a deficient number, since it is larger than the sum of its proper divisors (447187943340).

505516805404 is a wasteful number, since it uses less digits than its factorization.

505516805404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9721477044 (or 9721477042 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 43.

The spelling of 505516805404 in words is "five hundred five billion, five hundred sixteen million, eight hundred five thousand, four hundred four".