505002768016 has 10 divisors (see below), whose sum is σ = 978442863062. Its totient is φ = 252501384000.

The previous prime is 505002768013. The next prime is 505002768041. The reversal of 505002768016 is 610867200505.

It can be written as a sum of positive squares in only one way, i.e., 408781209600 + 96221558416 = 639360^2 + 310196^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 505002768016.

It is not an unprimeable number, because it can be changed into a prime (505002768013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15781336485 + ... + 15781336516.

Almost surely, 2^505002768016 is an apocalyptic number.

It is an amenable number.

505002768016 is a deficient number, since it is larger than the sum of its proper divisors (473440095046).

505002768016 is a wasteful number, since it uses less digits than its factorization.

505002768016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31562673009 (or 31562673003 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 505002768016 in words is "five hundred five billion, two million, seven hundred sixty-eight thousand, sixteen".