40994618 has 16 divisors (see below), whose sum is σ = 70961280. Its totient is φ = 17397936.

The previous prime is 40994581. The next prime is 40994627. The reversal of 40994618 is 81649904.

40994618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 12773 + ... + 15656.

It is an arithmetic number, because the mean of its divisors is an integer number (4435080).

Almost surely, 2^40994618 is an apocalyptic number.

40994618 is a deficient number, since it is larger than the sum of its proper divisors (29966662).

40994618 is a wasteful number, since it uses less digits than its factorization.

40994618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28541.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 40994618 is about 6402.7039600469. The cubic root of 40994618 is about 344.8066353250.

The spelling of 40994618 in words is "forty million, nine hundred ninety-four thousand, six hundred eighteen".