514543240 has 32 divisors (see below), whose sum is σ = 1167977880. Its totient is φ = 203994112.

The previous prime is 514543231. The next prime is 514543343. The reversal of 514543240 is 42345415.

It can be written as a sum of positive squares in 4 ways, for example, as 171034084 + 343509156 = 13078^2 + 18534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 514543199 and 514543208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52399 + ... + 61438.

Almost surely, 2^514543240 is an apocalyptic number.

It is an amenable number.

514543240 is an abundant number, since it is smaller than the sum of its proper divisors (653434640).

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

514543240 is a wasteful number, since it uses less digits than its factorization.

514543240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113961 (or 113957 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 514543240 is about 22683.5455782380. The cubic root of 514543240 is about 801.3224169788.

Adding to 514543240 its reverse (42345415), we get a palindrome (556888655).

The spelling of 514543240 in words is "five hundred fourteen million, five hundred forty-three thousand, two hundred forty".