40444004044 has 6 divisors (see below), whose sum is σ = 70777007084. Its totient is φ = 20222002020.

The previous prime is 40444004039. The next prime is 40444004047. The reversal of 40444004044 is 44040044404.

It is a super-2 number, since 2×40444004044² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40444004047) 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 as a sum of consecutive naturals, namely, 5055500502 + ... + 5055500509.

Almost surely, 2^40444004044 is an apocalyptic number.

It is an amenable number.

40444004044 is a deficient number, since it is larger than the sum of its proper divisors (30333003040).

40444004044 is a wasteful number, since it uses less digits than its factorization.

40444004044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111001015 (or 10111001013 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40444004044 its reverse (44040044404), we get a palindrome (84484048448).

The spelling of 40444004044 in words is "forty billion, four hundred forty-four million, four thousand, forty-four".