40344111 has 18 divisors (see below), whose sum is σ = 61908392. Its totient is φ = 25312320.

The previous prime is 40344103. The next prime is 40344131. The reversal of 40344111 is 11144304.

It is not a de Polignac number, because 40344111 - 2³ = 40344103 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 (40344131) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5155 + ... + 10356.

Almost surely, 2^40344111 is an apocalyptic number.

40344111 is a deficient number, since it is larger than the sum of its proper divisors (21564281).

40344111 is a wasteful number, since it uses less digits than its factorization.

40344111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15551 (or 15531 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 40344111 is about 6351.7014256024. The cubic root of 40344111 is about 342.9730929999.

Adding to 40344111 its reverse (11144304), we get a palindrome (51488415).

The spelling of 40344111 in words is "forty million, three hundred forty-four thousand, one hundred eleven".