505224310340 has 12 divisors (see below), whose sum is σ = 1060971051756. Its totient is φ = 202089724128.

The previous prime is 505224310337. The next prime is 505224310361. The reversal of 505224310340 is 43013422505.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 340978916356 + 164245393984 = 583934^2 + 405272^2 .

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, 12630607739 + ... + 12630607778.

It is an arithmetic number, because the mean of its divisors is an integer number (88414254313).

Almost surely, 2^505224310340 is an apocalyptic number.

It is an amenable number.

505224310340 is an abundant number, since it is smaller than the sum of its proper divisors (555746741416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505224310340 is a wasteful number, since it uses less digits than its factorization.

505224310340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25261215526 (or 25261215524 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 505224310340 its reverse (43013422505), we get a palindrome (548237732845).

The spelling of 505224310340 in words is "five hundred five billion, two hundred twenty-four million, three hundred ten thousand, three hundred forty".