505225243364 has 24 divisors (see below), whose sum is σ = 918032081400. Its totient is φ = 242995128320.

The previous prime is 505225243331. The next prime is 505225243409. The reversal of 505225243364 is 463342522505.

It can be written as a sum of positive squares in 4 ways, for example, as 14115816100 + 491109427264 = 118810^2 + 700792^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8064317 + ... + 8126724.

It is an arithmetic number, because the mean of its divisors is an integer number (38251336725).

Almost surely, 2^505225243364 is an apocalyptic number.

It is an amenable number.

505225243364 is a deficient number, since it is larger than the sum of its proper divisors (412806838036).

505225243364 is a wasteful number, since it uses less digits than its factorization.

505225243364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16191343 (or 16191341 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 505225243364 its reverse (463342522505), we get a palindrome (968567765869).

The spelling of 505225243364 in words is "five hundred five billion, two hundred twenty-five million, two hundred forty-three thousand, three hundred sixty-four".