512236040 has 16 divisors (see below), whose sum is σ = 1152531180. Its totient is φ = 204894400.

The previous prime is 512235931. The next prime is 512236091. The reversal of 512236040 is 40632215.

It can be written as a sum of positive squares in 2 ways, for example, as 492928804 + 19307236 = 22202^2 + 4394^2 .

It is a junction number, because it is equal to n+sod(n) for n = 512235997 and 512236015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6402911 + ... + 6402990.

Almost surely, 2^512236040 is an apocalyptic number.

It is an amenable number.

512236040 is an abundant number, since it is smaller than the sum of its proper divisors (640295140).

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

512236040 is a wasteful number, since it uses less digits than its factorization.

512236040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12805912 (or 12805908 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 512236040 is about 22632.6321933619. The cubic root of 512236040 is about 800.1229186128.

Adding to 512236040 its reverse (40632215), we get a palindrome (552868255).

The spelling of 512236040 in words is "five hundred twelve million, two hundred thirty-six thousand, forty".