40041111 has 8 divisors (see below), whose sum is σ = 58241664. Its totient is φ = 24267320.

The previous prime is 40041101. The next prime is 40041121. The reversal of 40041111 is 11114004.

It is an interprime number because it is at equal distance from previous prime (40041101) and next prime (40041121).

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

It is not a de Polignac number, because 40041111 - 2¹³ = 40032919 is a prime.

It is a super-2 number, since 2×40041111² = 3206581140228642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40041101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606651 + ... + 606716.

It is an arithmetic number, because the mean of its divisors is an integer number (7280208).

Almost surely, 2^40041111 is an apocalyptic number.

40041111 is a deficient number, since it is larger than the sum of its proper divisors (18200553).

40041111 is a wasteful number, since it uses less digits than its factorization.

40041111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213381.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 40041111 is about 6327.8045955924. The cubic root of 40041111 is about 342.1123139205.

Adding to 40041111 its reverse (11114004), we get a palindrome (51155115).

It can be divided in two parts, 4004 and 1111, that multiplied together give a palindrome (4448444).

The spelling of 40041111 in words is "forty million, forty-one thousand, one hundred eleven".