505223446064 has 40 divisors (see below), whose sum is σ = 992801269152. Its totient is φ = 249017699840.

The previous prime is 505223446033. The next prime is 505223446073. The reversal of 505223446064 is 460644322505.

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, 8892692 + ... + 8949324.

Almost surely, 2^505223446064 is an apocalyptic number.

It is an amenable number.

505223446064 is a deficient number, since it is larger than the sum of its proper divisors (487577823088).

505223446064 is a wasteful number, since it uses less digits than its factorization.

505223446064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64565 (or 64559 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 505223446064 its reverse (460644322505), we get a palindrome (965867768569).

The spelling of 505223446064 in words is "five hundred five billion, two hundred twenty-three million, four hundred forty-six thousand, sixty-four".