40543912 has 32 divisors (see below), whose sum is σ = 80890920. Its totient is φ = 18984960.

The previous prime is 40543901. The next prime is 40543927. The reversal of 40543912 is 21934504.

It can be written as a sum of positive squares in 4 ways, for example, as 40525956 + 17956 = 6366^2 + 134^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32158 + ... + 33394.

Almost surely, 2^40543912 is an apocalyptic number.

It is an amenable number.

40543912 is a deficient number, since it is larger than the sum of its proper divisors (40347008).

40543912 is a wasteful number, since it uses less digits than its factorization.

40543912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40543912 is about 6367.4101485612. The cubic root of 40543912 is about 343.5383432242.

The spelling of 40543912 in words is "forty million, five hundred forty-three thousand, nine hundred twelve".