516230531044 has 6 divisors (see below), whose sum is σ = 903403429334. Its totient is φ = 258115265520.

The previous prime is 516230531039. The next prime is 516230531119. The reversal of 516230531044 is 440135032615.

It can be written as a sum of positive squares in only one way, i.e., 285916922944 + 230313608100 = 534712^2 + 479910^2 .

It is a super-2 number, since 2×516230531044² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64528816377 + ... + 64528816384.

Almost surely, 2^516230531044 is an apocalyptic number.

It is an amenable number.

516230531044 is a deficient number, since it is larger than the sum of its proper divisors (387172898290).

516230531044 is a wasteful number, since it uses less digits than its factorization.

516230531044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129057632765 (or 129057632763 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 516230531044 its reverse (440135032615), we get a palindrome (956365563659).

The spelling of 516230531044 in words is "five hundred sixteen billion, two hundred thirty million, five hundred thirty-one thousand, forty-four".