513245430240 has 96 divisors (see below), whose sum is σ = 1616857907616. Its totient is φ = 136854036480.

The previous prime is 513245430221. The next prime is 513245430253. The reversal of 513245430240 is 42034542315.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6817444 + ... + 6892316.

It is an arithmetic number, because the mean of its divisors is an integer number (16842269871).

Almost surely, 2^513245430240 is an apocalyptic number.

It is an amenable number.

513245430240 is an abundant number, since it is smaller than the sum of its proper divisors (1103612477376).

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

513245430240 is a wasteful number, since it uses less digits than its factorization.

513245430240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89172 (or 89164 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 513245430240 its reverse (42034542315), we get a palindrome (555279972555).

The spelling of 513245430240 in words is "five hundred thirteen billion, two hundred forty-five million, four hundred thirty thousand, two hundred forty".