512544303444242 has 8 divisors (see below), whose sum is σ = 768817517379516. Its totient is φ = 256271797651072.

The previous prime is 512544303444223. The next prime is 512544303444247. The reversal of 512544303444242 is 242444303445215.

It can be written as a sum of positive squares in 2 ways, for example, as 461386490648281 + 51157812795961 = 21479909^2 + 7152469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (512544303444247) 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, 175222343 + ... + 178123434.

Almost surely, 2^{512544303444242} is an apocalyptic number.

512544303444242 is a deficient number, since it is larger than the sum of its proper divisors (256273213935274).

512544303444242 is a wasteful number, since it uses less digits than its factorization.

512544303444242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354071052.

The product of its (nonzero) digits is 7372800, while the sum is 47.

Adding to 512544303444242 its reverse (242444303445215), we get a palindrome (754988606889457).

The spelling of 512544303444242 in words is "five hundred twelve trillion, five hundred forty-four billion, three hundred three million, four hundred forty-four thousand, two hundred forty-two".