40344134311 has 16 divisors (see below), whose sum is σ = 44352820960. Its totient is φ = 36470113920.

The previous prime is 40344134309. The next prime is 40344134429. The reversal of 40344134311 is 11343144304.

It is a happy number.

It is not a de Polignac number, because 40344134311 - 2¹ = 40344134309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40344134311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344137311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70516 + ... + 292678.

It is an arithmetic number, because the mean of its divisors is an integer number (2772051310).

Almost surely, 2^40344134311 is an apocalyptic number.

40344134311 is a deficient number, since it is larger than the sum of its proper divisors (4008686649).

40344134311 is a wasteful number, since it uses less digits than its factorization.

40344134311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222466.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 40344134311 its reverse (11343144304), we get a palindrome (51687278615).

The spelling of 40344134311 in words is "forty billion, three hundred forty-four million, one hundred thirty-four thousand, three hundred eleven".