505223516452 has 24 divisors (see below), whose sum is σ = 894974015936. Its totient is φ = 249529012128.

The previous prime is 505223516377. The next prime is 505223516471. The reversal of 505223516452 is 254615322505.

It is a super-2 number, since 2×505223516452² (a number of 24 digits) contains 22 as substring.

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, 1380858 + ... + 1707985.

Almost surely, 2^505223516452 is an apocalyptic number.

It is an amenable number.

505223516452 is a deficient number, since it is larger than the sum of its proper divisors (389750499484).

505223516452 is a wasteful number, since it uses less digits than its factorization.

505223516452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089347 (or 3089345 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 505223516452 its reverse (254615322505), we get a palindrome (759838838957).

The spelling of 505223516452 in words is "five hundred five billion, two hundred twenty-three million, five hundred sixteen thousand, four hundred fifty-two".