515040441 has 8 divisors (see below), whose sum is σ = 698360160. Its totient is φ = 337540512.

The previous prime is 515040437. The next prime is 515040469. The reversal of 515040441 is 144040515.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 515040441 - 2² = 515040437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (515040641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1454740 + ... + 1455093.

It is an arithmetic number, because the mean of its divisors is an integer number (87295020).

Almost surely, 2^515040441 is an apocalyptic number.

It is an amenable number.

515040441 is a deficient number, since it is larger than the sum of its proper divisors (183319719).

515040441 is a wasteful number, since it uses less digits than its factorization.

515040441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909895.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 515040441 is about 22694.5024400184. The cubic root of 515040441 is about 801.5804387316.

Adding to 515040441 its reverse (144040515), we get a palindrome (659080956).

It can be divided in two parts, 5150404 and 41, that added together give a triangular number (5150445 = T₃₂₀₉).

The spelling of 515040441 in words is "five hundred fifteen million, forty thousand, four hundred forty-one".