512540040341 has 4 divisors (see below), whose sum is σ = 585760046112. Its totient is φ = 439320034572.

The previous prime is 512540040263. The next prime is 512540040371. The reversal of 512540040341 is 143040045215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512540040341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512540040371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36610002875 + ... + 36610002888.

It is an arithmetic number, because the mean of its divisors is an integer number (146440011528).

Almost surely, 2^512540040341 is an apocalyptic number.

It is an amenable number.

512540040341 is a deficient number, since it is larger than the sum of its proper divisors (73220005771).

512540040341 is an equidigital number, since it uses as much as digits as its factorization.

512540040341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73220005770.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 512540040341 its reverse (143040045215), we get a palindrome (655580085556).

The spelling of 512540040341 in words is "five hundred twelve billion, five hundred forty million, forty thousand, three hundred forty-one".