40837685 has 16 divisors (see below), whose sum is σ = 56149632. Its totient is φ = 27931200.

The previous prime is 40837663. The next prime is 40837703. The reversal of 40837685 is 58673804.

It is a happy number.

40837685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40837685 - 2⁸ = 40837429 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 14870 + ... + 17400.

It is an arithmetic number, because the mean of its divisors is an integer number (3509352).

Almost surely, 2^40837685 is an apocalyptic number.

It is an amenable number.

40837685 is a deficient number, since it is larger than the sum of its proper divisors (15311947).

40837685 is a wasteful number, since it uses less digits than its factorization.

40837685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 40837685 is about 6390.4369960121. The cubic root of 40837685 is about 344.3660837083.

The spelling of 40837685 in words is "forty million, eight hundred thirty-seven thousand, six hundred eighty-five".