505200404252 has 12 divisors (see below), whose sum is σ = 885438232056. Its totient is φ = 252218052240.

The previous prime is 505200404243. The next prime is 505200404281. The reversal of 505200404252 is 252404002505.

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, 95534498 + ... + 95539785.

It is an arithmetic number, because the mean of its divisors is an integer number (73786519338).

Almost surely, 2^505200404252 is an apocalyptic number.

It is an amenable number.

505200404252 is a deficient number, since it is larger than the sum of its proper divisors (380237827804).

505200404252 is a wasteful number, since it uses less digits than its factorization.

505200404252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191074948 (or 191074946 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

Adding to 505200404252 its reverse (252404002505), we get a palindrome (757604406757).

The spelling of 505200404252 in words is "five hundred five billion, two hundred million, four hundred four thousand, two hundred fifty-two".