512045444 has 12 divisors (see below), whose sum is σ = 896299404. Its totient is φ = 255959904.

The previous prime is 512045441. The next prime is 512045461. The reversal of 512045444 is 444540215.

It can be written as a sum of positive squares in 2 ways, for example, as 425927044 + 86118400 = 20638^2 + 9280^2 .

It is not an unprimeable number, because it can be changed into a prime (512045441) 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, 5954 + ... + 32550.

It is an arithmetic number, because the mean of its divisors is an integer number (74691617).

Almost surely, 2^512045444 is an apocalyptic number.

It is an amenable number.

512045444 is a deficient number, since it is larger than the sum of its proper divisors (384253960).

512045444 is a wasteful number, since it uses less digits than its factorization.

512045444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31414 (or 31412 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 512045444 is about 22628.4211557059. The cubic root of 512045444 is about 800.0236680498.

Adding to 512045444 its reverse (444540215), we get a palindrome (956585659).

The spelling of 512045444 in words is "five hundred twelve million, forty-five thousand, four hundred forty-four".