512440732 has 12 divisors (see below), whose sum is σ = 896930496. Its totient is φ = 256174880.

The previous prime is 512440727. The next prime is 512440739. The reversal of 512440732 is 237044215.

It is a self number, because there is not a number n which added to its sum of digits gives 512440732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512440739) 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, 34848 + ... + 47320.

It is an arithmetic number, because the mean of its divisors is an integer number (74744208).

Almost surely, 2^512440732 is an apocalyptic number.

It is an amenable number.

512440732 is a deficient number, since it is larger than the sum of its proper divisors (384489764).

512440732 is a wasteful number, since it uses less digits than its factorization.

512440732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22748 (or 22746 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 512440732 is about 22637.1537963588. The cubic root of 512440732 is about 800.2294820828.

Adding to 512440732 its reverse (237044215), we get a palindrome (749484947).

The spelling of 512440732 in words is "five hundred twelve million, four hundred forty thousand, seven hundred thirty-two".