40515118 has 8 divisors (see below), whose sum is σ = 69454512. Its totient is φ = 17363616.

The previous prime is 40515113. The next prime is 40515119. The reversal of 40515118 is 81151504.

It is a happy number.

40515118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 40515092 and 40515101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40515113) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1446955 + ... + 1446982.

It is an arithmetic number, because the mean of its divisors is an integer number (8681814).

Almost surely, 2^40515118 is an apocalyptic number.

40515118 is a deficient number, since it is larger than the sum of its proper divisors (28939394).

40515118 is a wasteful number, since it uses less digits than its factorization.

40515118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893946.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 40515118 is about 6365.1487021122. The cubic root of 40515118 is about 343.4569977957.

The spelling of 40515118 in words is "forty million, five hundred fifteen thousand, one hundred eighteen".