40541685 has 32 divisors (see below), whose sum is σ = 69154560. Its totient is φ = 20210688.

The previous prime is 40541659. The next prime is 40541689. The reversal of 40541685 is 58614504.

It is not a de Polignac number, because 40541685 - 2⁵ = 40541653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40541689) 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, 43656 + ... + 44574.

It is an arithmetic number, because the mean of its divisors is an integer number (2161080).

Almost surely, 2^40541685 is an apocalyptic number.

It is an amenable number.

40541685 is a deficient number, since it is larger than the sum of its proper divisors (28612875).

40541685 is a wasteful number, since it uses less digits than its factorization.

40541685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 40541685 is about 6367.2352712932. The cubic root of 40541685 is about 343.5320531397.

The spelling of 40541685 in words is "forty million, five hundred forty-one thousand, six hundred eighty-five".