513425413432540 has 144 divisors (see below), whose sum is σ = 1330731997765632. Its totient is φ = 162888453608832.

The previous prime is 513425413432517. The next prime is 513425413432609. The reversal of 513425413432540 is 45234314524315.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115952284 + ... + 120298723.

It is an arithmetic number, because the mean of its divisors is an integer number (9241194428928).

Almost surely, 2^{513425413432540} is an apocalyptic number.

It is an amenable number.

513425413432540 is an abundant number, since it is smaller than the sum of its proper divisors (817306584333092).

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

513425413432540 is a wasteful number, since it uses less digits than its factorization.

513425413432540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236251104 (or 236251083 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 46.

Adding to 513425413432540 its reverse (45234314524315), we get a palindrome (558659727956855).

The spelling of 513425413432540 in words is "five hundred thirteen trillion, four hundred twenty-five billion, four hundred thirteen million, four hundred thirty-two thousand, five hundred forty".