505223404256 has 12 divisors (see below), whose sum is σ = 994658577192. Its totient is φ = 252611702112.

The previous prime is 505223404247. The next prime is 505223404267. The reversal of 505223404256 is 652404322505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7894115660 + ... + 7894115723.

It is an arithmetic number, because the mean of its divisors is an integer number (82888214766).

Almost surely, 2^505223404256 is an apocalyptic number.

It is an amenable number.

505223404256 is a deficient number, since it is larger than the sum of its proper divisors (489435172936).

505223404256 is a wasteful number, since it uses less digits than its factorization.

505223404256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15788231393 (or 15788231385 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 505223404256 in words is "five hundred five billion, two hundred twenty-three million, four hundred four thousand, two hundred fifty-six".