40444411411 has 4 divisors (see below), whose sum is σ = 40451679400. Its totient is φ = 40437143424.

The previous prime is 40444411393. The next prime is 40444411439. The reversal of 40444411411 is 11411444404.

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 40444411411 - 2⁹ = 40444410899 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 40444411411.

It is not an unprimeable number, because it can be changed into a prime (40444415411) 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, 3625641 + ... + 3636778.

It is an arithmetic number, because the mean of its divisors is an integer number (10112919850).

Almost surely, 2^40444411411 is an apocalyptic number.

40444411411 is a deficient number, since it is larger than the sum of its proper divisors (7267989).

40444411411 is an equidigital number, since it uses as much as digits as its factorization.

40444411411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7267988.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 40444411411 its reverse (11411444404), we get a palindrome (51855855815).

The spelling of 40444411411 in words is "forty billion, four hundred forty-four million, four hundred eleven thousand, four hundred eleven".