40743189 has 16 divisors (see below), whose sum is σ = 62985600. Its totient is φ = 25980768.

The previous prime is 40743187. The next prime is 40743191. The reversal of 40743189 is 98134704.

It is a happy number.

40743189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40743187) and next prime (40743191).

It is not a de Polignac number, because 40743189 - 2¹ = 40743187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40743187) by changing a digit.

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, 32184 + ... + 33425.

It is an arithmetic number, because the mean of its divisors is an integer number (3936600).

Almost surely, 2^40743189 is an apocalyptic number.

It is an amenable number.

40743189 is a deficient number, since it is larger than the sum of its proper divisors (22242411).

40743189 is a wasteful number, since it uses less digits than its factorization.

40743189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65641 (or 65635 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 40743189 is about 6383.0391664159. The cubic root of 40743189 is about 344.1002642880.

The spelling of 40743189 in words is "forty million, seven hundred forty-three thousand, one hundred eighty-nine".