40344143104 has 36 divisors (see below), whose sum is σ = 80625537076. Its totient is φ = 20148314112.

The previous prime is 40344143087. The next prime is 40344143153. The reversal of 40344143104 is 40134144304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1896776704 + 38447366400 = 43552^2 + 196080^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125992 + ... + 310744.

Almost surely, 2^40344143104 is an apocalyptic number.

It is an amenable number.

40344143104 is a deficient number, since it is larger than the sum of its proper divisors (40281393972).

40344143104 is an equidigital number, since it uses as much as digits as its factorization.

40344143104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185622 (or 185608 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40344143104 its reverse (40134144304), we get a palindrome (80478287408).

The spelling of 40344143104 in words is "forty billion, three hundred forty-four million, one hundred forty-three thousand, one hundred four".