512544042 has 36 divisors (see below), whose sum is σ = 1118295906. Its totient is φ = 169658640.

The previous prime is 512544041. The next prime is 512544059. The reversal of 512544042 is 240445215.

512544042 is a `hidden beast` number, since 5 + 1 + 254 + 404 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 421932681 + 90611361 = 20541^2 + 9519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 512543997 and 512544015.

It is not an unprimeable number, because it can be changed into a prime (512544041) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 501492 + ... + 502512.

Almost surely, 2^512544042 is an apocalyptic number.

512544042 is an abundant number, since it is smaller than the sum of its proper divisors (605751864).

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

512544042 is a wasteful number, since it uses less digits than its factorization.

512544042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 512544042 is about 22639.4355495008. The cubic root of 512544042 is about 800.2832549048.

Adding to 512544042 its reverse (240445215), we get a palindrome (752989257).

The spelling of 512544042 in words is "five hundred twelve million, five hundred forty-four thousand, forty-two".