40685854 has 8 divisors (see below), whose sum is σ = 66576888. Its totient is φ = 18493560.

The previous prime is 40685851. The next prime is 40685863. The reversal of 40685854 is 45858604.

40685854 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (40685851) 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, 924657 + ... + 924700.

It is an arithmetic number, because the mean of its divisors is an integer number (8322111).

Almost surely, 2^40685854 is an apocalyptic number.

40685854 is a deficient number, since it is larger than the sum of its proper divisors (25891034).

40685854 is a wasteful number, since it uses less digits than its factorization.

40685854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849370.

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 40685854 is about 6378.5463861291. The cubic root of 40685854 is about 343.9387792171.

The spelling of 40685854 in words is "forty million, six hundred eighty-five thousand, eight hundred fifty-four".