505534323344 has 40 divisors (see below), whose sum is σ = 982804563000. Its totient is φ = 251908422656.

The previous prime is 505534323317. The next prime is 505534323367. The reversal of 505534323344 is 443323435505.

It can be written as a sum of positive squares in 4 ways, for example, as 91030130944 + 414504192400 = 301712^2 + 643820^2 .

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, 7616252 + ... + 7682340.

It is an arithmetic number, because the mean of its divisors is an integer number (24570114075).

Almost surely, 2^505534323344 is an apocalyptic number.

It is an amenable number.

505534323344 is a deficient number, since it is larger than the sum of its proper divisors (477270239656).

505534323344 is a wasteful number, since it uses less digits than its factorization.

505534323344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67715 (or 67709 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 41.

Adding to 505534323344 its reverse (443323435505), we get a palindrome (948857758849).

The spelling of 505534323344 in words is "five hundred five billion, five hundred thirty-four million, three hundred twenty-three thousand, three hundred forty-four".