513232332305440 has 96 divisors (see below), whose sum is σ = 1323318076464384. Its totient is φ = 186548332861440.

The previous prime is 513232332305377. The next prime is 513232332305443. The reversal of 513232332305440 is 44503233232315.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 513232332305393 and 513232332305402.

It is not an unprimeable number, because it can be changed into a prime (513232332305443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59728549 + ... + 67778788.

It is an arithmetic number, because the mean of its divisors is an integer number (13784563296504).

Almost surely, 2^{513232332305440} is an apocalyptic number.

It is an amenable number.

513232332305440 is an abundant number, since it is smaller than the sum of its proper divisors (810085744158944).

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

513232332305440 is a wasteful number, since it uses less digits than its factorization.

513232332305440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127509650 (or 127509642 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 40.

Adding to 513232332305440 its reverse (44503233232315), we get a palindrome (557735565537755).

The spelling of 513232332305440 in words is "five hundred thirteen trillion, two hundred thirty-two billion, three hundred thirty-two million, three hundred five thousand, four hundred forty".