40442044404044 has 12 divisors (see below), whose sum is σ = 70773634704864. Its totient is φ = 20221005916944.

The previous prime is 40442044404029. The next prime is 40442044404049. The reversal of 40442044404044 is 44040444024404.

It is a junction number, because it is equal to n+sod(n) for n = 40442044403989 and 40442044404007.

It is not an unprimeable number, because it can be changed into a prime (40442044404049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2807822 + ... + 9421674.

It is an arithmetic number, because the mean of its divisors is an integer number (5897802892072).

Almost surely, 2^{40442044404044} is an apocalyptic number.

It is an amenable number.

40442044404044 is a deficient number, since it is larger than the sum of its proper divisors (30331590300820).

40442044404044 is a wasteful number, since it uses less digits than its factorization.

40442044404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8142544 (or 8142542 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 40442044404044 its reverse (44040444024404), we get a palindrome (84482488428448).

The spelling of 40442044404044 in words is "forty trillion, four hundred forty-two billion, forty-four million, four hundred four thousand, forty-four".