40044240044 has 12 divisors (see below), whose sum is σ = 74199621384. Its totient is φ = 18844348224.

The previous prime is 40044240043. The next prime is 40044240053. The reversal of 40044240044 is 44004244004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40044239995 and 40044240022.

It is not an unprimeable number, because it can be changed into a prime (40044240043) 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, 294442874 + ... + 294443009.

It is an arithmetic number, because the mean of its divisors is an integer number (6183301782).

Almost surely, 2^40044240044 is an apocalyptic number.

It is an amenable number.

40044240044 is a deficient number, since it is larger than the sum of its proper divisors (34155381340).

40044240044 is a wasteful number, since it uses less digits than its factorization.

40044240044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588885904 (or 588885902 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40044240044 its reverse (44004244004), we get a palindrome (84048484048).

The spelling of 40044240044 in words is "forty billion, forty-four million, two hundred forty thousand, forty-four".