40943911 has 8 divisors (see below), whose sum is σ = 42693120. Its totient is φ = 39217248.

The previous prime is 40943899. The next prime is 40943921. The reversal of 40943911 is 11934904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40943911 - 2¹⁷ = 40812839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40943921) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1876 + ... + 9241.

It is an arithmetic number, because the mean of its divisors is an integer number (5336640).

Almost surely, 2^40943911 is an apocalyptic number.

40943911 is a deficient number, since it is larger than the sum of its proper divisors (1749209).

40943911 is a wasteful number, since it uses less digits than its factorization.

40943911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11273.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 40943911 is about 6398.7429234186. The cubic root of 40943911 is about 344.6644107707.

The spelling of 40943911 in words is "forty million, nine hundred forty-three thousand, nine hundred eleven".