40344214111 has 4 divisors (see below), whose sum is σ = 41105425752. Its totient is φ = 39583002472.

The previous prime is 40344214103. The next prime is 40344214123. The reversal of 40344214111 is 11141244304.

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

It is a cyclic number.

It is not a de Polignac number, because 40344214111 - 2³ = 40344214103 is a prime.

It is a super-2 number, since 2×40344214111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344211111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380605741 + ... + 380605846.

It is an arithmetic number, because the mean of its divisors is an integer number (10276356438).

Almost surely, 2^40344214111 is an apocalyptic number.

40344214111 is a deficient number, since it is larger than the sum of its proper divisors (761211641).

40344214111 is an equidigital number, since it uses as much as digits as its factorization.

40344214111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761211640.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 40344214111 its reverse (11141244304), we get a palindrome (51485458415).

The spelling of 40344214111 in words is "forty billion, three hundred forty-four million, two hundred fourteen thousand, one hundred eleven".