513344433040 has 40 divisors (see below), whose sum is σ = 1232026645248. Its totient is φ = 198713973120.

The previous prime is 513344433037. The next prime is 513344433059. The reversal of 513344433040 is 40334443315.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 513344432987 and 513344433005.

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, 103494382 + ... + 103499341.

Almost surely, 2^513344433040 is an apocalyptic number.

It is an amenable number.

513344433040 is an abundant number, since it is smaller than the sum of its proper divisors (718682212208).

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

513344433040 is a wasteful number, since it uses less digits than its factorization.

513344433040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206993767 (or 206993761 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 513344433040 its reverse (40334443315), we get a palindrome (553678876355).

The spelling of 513344433040 in words is "five hundred thirteen billion, three hundred forty-four million, four hundred thirty-three thousand, forty".