516540530144 has 48 divisors (see below), whose sum is σ = 1022496048000. Its totient is φ = 256860134784.

The previous prime is 516540530131. The next prime is 516540530171. The reversal of 516540530144 is 441035045615.

It is a junction number, because it is equal to n+sod(n) for n = 516540530098 and 516540530107.

It is a congruent number.

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, 15642419 + ... + 15675405.

It is an arithmetic number, because the mean of its divisors is an integer number (21302001000).

Almost surely, 2^516540530144 is an apocalyptic number.

It is an amenable number.

516540530144 is a deficient number, since it is larger than the sum of its proper divisors (505955517856).

516540530144 is a wasteful number, since it uses less digits than its factorization.

516540530144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35655 (or 35647 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 516540530144 its reverse (441035045615), we get a palindrome (957575575759).

The spelling of 516540530144 in words is "five hundred sixteen billion, five hundred forty million, five hundred thirty thousand, one hundred forty-four".