513331455040 has 56 divisors (see below), whose sum is σ = 1223787605760. Its totient is φ = 205094542848.

The previous prime is 513331455037. The next prime is 513331455041. The reversal of 513331455040 is 40554133315.

It is a junction number, because it is equal to n+sod(n) for n = 513331454987 and 513331455005.

It is not an unprimeable number, because it can be changed into a prime (513331455041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653250 + ... + 1205569.

Almost surely, 2^513331455040 is an apocalyptic number.

It is an amenable number.

513331455040 is an abundant number, since it is smaller than the sum of its proper divisors (710456150720).

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

513331455040 is a wasteful number, since it uses less digits than its factorization.

513331455040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859699 (or 1859689 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 513331455040 its reverse (40554133315), we get a palindrome (553885588355).

The spelling of 513331455040 in words is "five hundred thirteen billion, three hundred thirty-one million, four hundred fifty-five thousand, forty".