512345330026 has 4 divisors (see below), whose sum is σ = 768517995042. Its totient is φ = 256172665012.

The previous prime is 512345330023. The next prime is 512345330033. The reversal of 512345330026 is 620033543215.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 510017364025 + 2327966001 = 714155^2 + 48249^2 .

It is a junction number, because it is equal to n+sod(n) for n = 512345329973 and 512345330000.

It is not an unprimeable number, because it can be changed into a prime (512345330023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128086332505 + ... + 128086332508.

Almost surely, 2^512345330026 is an apocalyptic number.

512345330026 is a deficient number, since it is larger than the sum of its proper divisors (256172665016).

512345330026 is a wasteful number, since it uses less digits than its factorization.

512345330026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256172665015.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 512345330026 in words is "five hundred twelve billion, three hundred forty-five million, three hundred thirty thousand, twenty-six".