501461720435264 has 28 divisors (see below), whose sum is σ = 995181917119104. Its totient is φ = 250707221633664.

The previous prime is 501461720435243. The next prime is 501461720435303. The reversal of 501461720435264 is 462534027164105.

It is a super-2 number, since 2×501461720435264² (a number of 30 digits) contains 22 as substring.

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, 368668724 + ... + 370026419.

Almost surely, 2^{501461720435264} is an apocalyptic number.

It is an amenable number.

501461720435264 is a deficient number, since it is larger than the sum of its proper divisors (493720196683840).

501461720435264 is a wasteful number, since it uses less digits than its factorization.

501461720435264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738705762 (or 738705752 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 50.

Adding to 501461720435264 its reverse (462534027164105), we get a palindrome (963995747599369).

The spelling of 501461720435264 in words is "five hundred one trillion, four hundred sixty-one billion, seven hundred twenty million, four hundred thirty-five thousand, two hundred sixty-four".