40044515 has 24 divisors (see below), whose sum is σ = 56689920. Its totient is φ = 27070848.

The previous prime is 40044509. The next prime is 40044527. The reversal of 40044515 is 51544004.

40044515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40044515 - 2⁶ = 40044451 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 16766 + ... + 19004.

It is an arithmetic number, because the mean of its divisors is an integer number (2362080).

Almost surely, 2^40044515 is an apocalyptic number.

40044515 is a deficient number, since it is larger than the sum of its proper divisors (16645405).

40044515 is a wasteful number, since it uses less digits than its factorization.

40044515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331 (or 2324 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 40044515 is about 6328.0735615193. The cubic root of 40044515 is about 342.1220082679.

Adding to 40044515 its reverse (51544004), we get a palindrome (91588519).

The spelling of 40044515 in words is "forty million, forty-four thousand, five hundred fifteen".