40242111 has 96 divisors (see below), whose sum is σ = 75893760. Its totient is φ = 18450432.

The previous prime is 40242079. The next prime is 40242113. The reversal of 40242111 is 11124204.

It is not a de Polignac number, because 40242111 - 2⁵ = 40242079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40242113) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1387645 + ... + 1387673.

It is an arithmetic number, because the mean of its divisors is an integer number (790560).

Almost surely, 2^40242111 is an apocalyptic number.

40242111 is a deficient number, since it is larger than the sum of its proper divisors (35651649).

40242111 is a wasteful number, since it uses less digits than its factorization.

40242111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 40242111 is about 6343.6669994570. Note that the first 3 decimals coincide. The cubic root of 40242111 is about 342.6838084902.

Adding to 40242111 its reverse (11124204), we get a palindrome (51366315).

The spelling of 40242111 in words is "forty million, two hundred forty-two thousand, one hundred eleven".