40581116 has 12 divisors (see below), whose sum is σ = 72528288. Its totient is φ = 19858752.

The previous prime is 40581113. The next prime is 40581133. The reversal of 40581116 is 61118504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40581113) 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 3 ways as a sum of consecutive naturals, for example, 107741 + ... + 108116.

It is an arithmetic number, because the mean of its divisors is an integer number (6044024).

Almost surely, 2^40581116 is an apocalyptic number.

It is an amenable number.

40581116 is a deficient number, since it is larger than the sum of its proper divisors (31947172).

40581116 is a wasteful number, since it uses less digits than its factorization.

40581116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215908 (or 215906 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 40581116 is about 6370.3309176212. The cubic root of 40581116 is about 343.6433905873.

The spelling of 40581116 in words is "forty million, five hundred eighty-one thousand, one hundred sixteen".