40041113 has 16 divisors (see below), whose sum is σ = 48491520. Its totient is φ = 32297616.

The previous prime is 40041101. The next prime is 40041121. The reversal of 40041113 is 31114004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40041113 - 2⁴ = 40041097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40041163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20756 + ... + 22602.

It is an arithmetic number, because the mean of its divisors is an integer number (3030720).

Almost surely, 2^40041113 is an apocalyptic number.

It is an amenable number.

40041113 is a deficient number, since it is larger than the sum of its proper divisors (8450407).

40041113 is a wasteful number, since it uses less digits than its factorization.

40041113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 40041113 is about 6327.8047536251. The cubic root of 40041113 is about 342.1123196165.

Adding to 40041113 its reverse (31114004), we get a palindrome (71155117).

The spelling of 40041113 in words is "forty million, forty-one thousand, one hundred thirteen".