40254515 has 32 divisors (see below), whose sum is σ = 56899584. Its totient is φ = 26772480.

The previous prime is 40254509. The next prime is 40254527. The reversal of 40254515 is 51545204.

40254515 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 40254515 - 2⁸ = 40254259 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 31 ways as a sum of consecutive naturals, for example, 240962 + ... + 241128.

It is an arithmetic number, because the mean of its divisors is an integer number (1778112).

Almost surely, 2^40254515 is an apocalyptic number.

40254515 is a deficient number, since it is larger than the sum of its proper divisors (16645069).

40254515 is a wasteful number, since it uses less digits than its factorization.

40254515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 40254515 is about 6344.6445920950. The cubic root of 40254515 is about 342.7190138443.

Adding to 40254515 its reverse (51545204), we get a palindrome (91799719).

The spelling of 40254515 in words is "forty million, two hundred fifty-four thousand, five hundred fifteen".