40500111 has 4 divisors (see below), whose sum is σ = 54000152. Its totient is φ = 27000072.

The previous prime is 40500107. The next prime is 40500127. The reversal of 40500111 is 11100504.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40500111 - 2² = 40500107 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 (40500101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6750016 + ... + 6750021.

It is an arithmetic number, because the mean of its divisors is an integer number (13500038).

Almost surely, 2^40500111 is an apocalyptic number.

40500111 is a deficient number, since it is larger than the sum of its proper divisors (13500041).

40500111 is a wasteful number, since it uses less digits than its factorization.

40500111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13500040.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 40500111 is about 6363.9697516566. The cubic root of 40500111 is about 343.4145865022.

Adding to 40500111 its reverse (11100504), we get a palindrome (51600615).

The spelling of 40500111 in words is "forty million, five hundred thousand, one hundred eleven".