40492418 has 8 divisors (see below), whose sum is σ = 60821760. Its totient is φ = 20218500.

The previous prime is 40492411. The next prime is 40492421. The reversal of 40492418 is 81429404.

40492418 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 Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40492411) 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, 11978 + ... + 14981.

It is an arithmetic number, because the mean of its divisors is an integer number (7602720).

Almost surely, 2^40492418 is an apocalyptic number.

40492418 is a deficient number, since it is larger than the sum of its proper divisors (20329342).

40492418 is a wasteful number, since it uses less digits than its factorization.

40492418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27712.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 40492418 is about 6363.3653046167. The cubic root of 40492418 is about 343.3928412473.

The spelling of 40492418 in words is "forty million, four hundred ninety-two thousand, four hundred eighteen".