40111441343 has 4 divisors (see below), whose sum is σ = 40710119640. Its totient is φ = 39512763048.

The previous prime is 40111441339. The next prime is 40111441351. The reversal of 40111441343 is 34314411104.

It is a happy number.

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 40111441343 - 2² = 40111441339 is a prime.

It is a super-2 number, since 2×40111441343² (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 (40111441303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299339048 + ... + 299339181.

It is an arithmetic number, because the mean of its divisors is an integer number (10177529910).

Almost surely, 2^40111441343 is an apocalyptic number.

40111441343 is a deficient number, since it is larger than the sum of its proper divisors (598678297).

40111441343 is an equidigital number, since it uses as much as digits as its factorization.

40111441343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598678296.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 40111441343 its reverse (34314411104), we get a palindrome (74425852447).

The spelling of 40111441343 in words is "forty billion, one hundred eleven million, four hundred forty-one thousand, three hundred forty-three".