40543012 has 12 divisors (see below), whose sum is σ = 71067136. Its totient is φ = 20238120.

The previous prime is 40543007. The next prime is 40543031. The reversal of 40543012 is 21034504.

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, 5508 + ... + 10555.

Almost surely, 2^40543012 is an apocalyptic number.

It is an amenable number.

40543012 is a deficient number, since it is larger than the sum of its proper divisors (30524124).

40543012 is a wasteful number, since it uses less digits than its factorization.

40543012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16698 (or 16696 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40543012 is about 6367.3394757936. The cubic root of 40543012 is about 343.5358012331.

Adding to 40543012 its reverse (21034504), we get a palindrome (61577516).

The spelling of 40543012 in words is "forty million, five hundred forty-three thousand, twelve".