4540431515 has 16 divisors (see below), whose sum is σ = 5507119200. Its totient is φ = 3593382912.

The previous prime is 4540431509. The next prime is 4540431529. The reversal of 4540431515 is 5151340454.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4540431515 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 360596 + ... + 372974.

It is an arithmetic number, because the mean of its divisors is an integer number (344194950).

Almost surely, 2^4540431515 is an apocalyptic number.

4540431515 is a deficient number, since it is larger than the sum of its proper divisors (966687685).

4540431515 is a wasteful number, since it uses less digits than its factorization.

4540431515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13166.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 4540431515 is about 67382.7241583479. The cubic root of 4540431515 is about 1655.8934050571.

Adding to 4540431515 its reverse (5151340454), we get a palindrome (9691771969).

The spelling of 4540431515 in words is "four billion, five hundred forty million, four hundred thirty-one thousand, five hundred fifteen".