513440305332534 has 48 divisors (see below), whose sum is σ = 1122132618434880. Its totient is φ = 169661224402560.

The previous prime is 513440305332499. The next prime is 513440305332547. The reversal of 513440305332534 is 435233503044315.

513440305332534 is a `hidden beast` number, since 5 + 1 + 3 + 4 + 4 + 0 + 30 + 53 + 32 + 534 = 666.

It is a super-2 number, since 2×513440305332534² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 513440305332534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143016757 + ... + 146562864.

It is an arithmetic number, because the mean of its divisors is an integer number (23377762884060).

Almost surely, 2^{513440305332534} is an apocalyptic number.

513440305332534 is an abundant number, since it is smaller than the sum of its proper divisors (608692313102346).

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

513440305332534 is a wasteful number, since it uses less digits than its factorization.

513440305332534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289580485 (or 289580482 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 45.

Adding to 513440305332534 its reverse (435233503044315), we get a palindrome (948673808376849).

The spelling of 513440305332534 in words is "five hundred thirteen trillion, four hundred forty billion, three hundred five million, three hundred thirty-two thousand, five hundred thirty-four".