505630311350 has 96 divisors (see below), whose sum is σ = 1019221610880. Its totient is φ = 186000675840.

The previous prime is 505630311349. The next prime is 505630311359. The reversal of 505630311350 is 53113036505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505630311359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6620582 + ... + 6696518.

It is an arithmetic number, because the mean of its divisors is an integer number (10616891780).

Almost surely, 2^505630311350 is an apocalyptic number.

505630311350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505630311350 is an abundant number, since it is smaller than the sum of its proper divisors (513591299530).

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

505630311350 is a wasteful number, since it uses less digits than its factorization.

505630311350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76174 (or 76169 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 32.

Adding to 505630311350 its reverse (53113036505), we get a palindrome (558743347855).

The spelling of 505630311350 in words is "five hundred five billion, six hundred thirty million, three hundred eleven thousand, three hundred fifty".