40845693 has 16 divisors (see below), whose sum is σ = 64249856. Its totient is φ = 22587120.

The previous prime is 40845691. The next prime is 40845697. The reversal of 40845693 is 39654804.

It is not a de Polignac number, because 40845693 - 2¹ = 40845691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40845691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30721 + ... + 32022.

It is an arithmetic number, because the mean of its divisors is an integer number (4015616).

Almost surely, 2^40845693 is an apocalyptic number.

It is an amenable number.

40845693 is a deficient number, since it is larger than the sum of its proper divisors (23404163).

40845693 is a wasteful number, since it uses less digits than its factorization.

40845693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62784.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 40845693 is about 6391.0635265189. The cubic root of 40845693 is about 344.3885915411.

The spelling of 40845693 in words is "forty million, eight hundred forty-five thousand, six hundred ninety-three".