40344321041 has 4 divisors (see below), whose sum is σ = 41645750784. Its totient is φ = 39042891300.

The previous prime is 40344321037. The next prime is 40344321049. The reversal of 40344321041 is 14012344304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40344321041 - 2² = 40344321037 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 40344321041.

It is not an unprimeable number, because it can be changed into a prime (40344321049) 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 3 ways as a sum of consecutive naturals, for example, 650714825 + ... + 650714886.

It is an arithmetic number, because the mean of its divisors is an integer number (10411437696).

Almost surely, 2^40344321041 is an apocalyptic number.

It is an amenable number.

40344321041 is a deficient number, since it is larger than the sum of its proper divisors (1301429743).

40344321041 is a wasteful number, since it uses less digits than its factorization.

40344321041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301429742.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40344321041 its reverse (14012344304), we get a palindrome (54356665345).

The spelling of 40344321041 in words is "forty billion, three hundred forty-four million, three hundred twenty-one thousand, forty-one".