40662685 has 8 divisors (see below), whose sum is σ = 55766016. Its totient is φ = 27882960.

The previous prime is 40662683. The next prime is 40662697. The reversal of 40662685 is 58626604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40662685 - 2¹ = 40662683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40662683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580861 + ... + 580930.

It is an arithmetic number, because the mean of its divisors is an integer number (6970752).

Almost surely, 2^40662685 is an apocalyptic number.

It is an amenable number.

40662685 is a deficient number, since it is larger than the sum of its proper divisors (15103331).

40662685 is a wasteful number, since it uses less digits than its factorization.

40662685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161803.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 40662685 is about 6376.7299613517. The cubic root of 40662685 is about 343.8734802668.

The spelling of 40662685 in words is "forty million, six hundred sixty-two thousand, six hundred eighty-five".