40543072 has 24 divisors (see below), whose sum is σ = 80019576. Its totient is φ = 20220672.

The previous prime is 40543067. The next prime is 40543123. The reversal of 40543072 is 27034504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13588 + ... + 16300.

It is an arithmetic number, because the mean of its divisors is an integer number (3334149).

Almost surely, 2^40543072 is an apocalyptic number.

It is an amenable number.

40543072 is a deficient number, since it is larger than the sum of its proper divisors (39476504).

40543072 is a wasteful number, since it uses less digits than its factorization.

40543072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190 (or 3182 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 40543072 is about 6367.3441873359. The cubic root of 40543072 is about 343.5359707003.

Adding to 40543072 its reverse (27034504), we get a palindrome (67577576).

The spelling of 40543072 in words is "forty million, five hundred forty-three thousand, seventy-two".