513500424352044 has 24 divisors (see below), whose sum is σ = 1218475583209920. Its totient is φ = 168265675776144.

The previous prime is 513500424352009. The next prime is 513500424352057. The reversal of 513500424352044 is 440253424005315.

It is a junction number, because it is equal to n+sod(n) for n = 513500424351987 and 513500424352005.

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, 362641541914 + ... + 362641543329.

It is an arithmetic number, because the mean of its divisors is an integer number (50769815967080).

Almost surely, 2^{513500424352044} is an apocalyptic number.

It is an amenable number.

513500424352044 is an abundant number, since it is smaller than the sum of its proper divisors (704975158857876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513500424352044 is a wasteful number, since it uses less digits than its factorization.

513500424352044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725283085309 (or 725283085307 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 513500424352044 its reverse (440253424005315), we get a palindrome (953753848357359).

The spelling of 513500424352044 in words is "five hundred thirteen trillion, five hundred billion, four hundred twenty-four million, three hundred fifty-two thousand, forty-four".