512140330 has 16 divisors (see below), whose sum is σ = 992764584. Its totient is φ = 189097920.

The previous prime is 512140313. The next prime is 512140373. The reversal of 512140330 is 33041215.

It can be written as a sum of positive squares in 4 ways, for example, as 175748049 + 336392281 = 13257^2 + 18341^2 .

It is a super-2 number, since 2×512140330² = 524575435225017800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512140298 and 512140307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1969641 + ... + 1969900.

Almost surely, 2^512140330 is an apocalyptic number.

512140330 is a deficient number, since it is larger than the sum of its proper divisors (480624254).

512140330 is a wasteful number, since it uses less digits than its factorization.

512140330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939561.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 512140330 is about 22630.5176697308. The cubic root of 512140330 is about 800.0730818653.

Adding to 512140330 its reverse (33041215), we get a palindrome (545181545).

It can be divided in two parts, 5121 and 40330, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 512140330 in words is "five hundred twelve million, one hundred forty thousand, three hundred thirty".