40444323413 has 8 divisors (see below), whose sum is σ = 44293653600. Its totient is φ = 36700454448.

The previous prime is 40444323341. The next prime is 40444323421. The reversal of 40444323413 is 31432344404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40444323413 - 2²⁴ = 40427546197 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 40444323413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444323313) 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 7 ways as a sum of consecutive naturals, for example, 26364503 + ... + 26366036.

It is an arithmetic number, because the mean of its divisors is an integer number (5536706700).

Almost surely, 2^40444323413 is an apocalyptic number.

It is an amenable number.

40444323413 is a deficient number, since it is larger than the sum of its proper divisors (3849330187).

40444323413 is a wasteful number, since it uses less digits than its factorization.

40444323413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52730611.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 40444323413 its reverse (31432344404), we get a palindrome (71876667817).

The spelling of 40444323413 in words is "forty billion, four hundred forty-four million, three hundred twenty-three thousand, four hundred thirteen".