40830685 has 32 divisors (see below), whose sum is σ = 59795712. Its totient is φ = 26127360.

The previous prime is 40830683. The next prime is 40830697. The reversal of 40830685 is 58603804.

It is not a de Polignac number, because 40830685 - 2¹ = 40830683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40830685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40830683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96775 + ... + 97195.

It is an arithmetic number, because the mean of its divisors is an integer number (1868616).

Almost surely, 2^40830685 is an apocalyptic number.

It is an amenable number.

40830685 is a deficient number, since it is larger than the sum of its proper divisors (18965027).

40830685 is a wasteful number, since it uses less digits than its factorization.

40830685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 40830685 is about 6389.8892791660. The cubic root of 40830685 is about 344.3464066189.

The spelling of 40830685 in words is "forty million, eight hundred thirty thousand, six hundred eighty-five".