40444004044000 has 48 divisors (see below), whose sum is σ = 99370917945936. Its totient is φ = 16177601616000.

The previous prime is 40444004043997. The next prime is 40444004044007. The reversal of 40444004044000 is 44040044404.

It is a super-2 number, since 2×40444004044000² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40444004044000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444004044007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5055496506 + ... + 5055504505.

It is an arithmetic number, because the mean of its divisors is an integer number (2070227457207).

Almost surely, 2^{40444004044000} is an apocalyptic number.

40444004044000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40444004044000 is an abundant number, since it is smaller than the sum of its proper divisors (58926913901936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40444004044000 is a wasteful number, since it uses less digits than its factorization.

40444004044000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111001036 (or 10111001018 counting only the distinct ones).

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

Adding to 40444004044000 its reverse (44040044404), we get a palindrome (40488044088404).

The spelling of 40444004044000 in words is "forty trillion, four hundred forty-four billion, four million, forty-four thousand".