20044444204040 has 64 divisors (see below), whose sum is σ = 45258034826160. Its totient is φ = 7989707980800.

The previous prime is 20044444204033. The next prime is 20044444204063. The reversal of 20044444204040 is 4040244444002.

It can be written as a sum of positive squares in 8 ways, for example, as 2544798916 + 20041899405124 = 50446^2 + 4476818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20044444203988 and 20044444204006.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24851090 + ... + 25644990.

Almost surely, 2^{20044444204040} is an apocalyptic number.

20044444204040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20044444204040 is an abundant number, since it is smaller than the sum of its proper divisors (25213590622120).

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

20044444204040 is a wasteful number, since it uses less digits than its factorization.

20044444204040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796122 (or 796118 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 20044444204040 its reverse (4040244444002), we get a palindrome (24084688648042).

The spelling of 20044444204040 in words is "twenty trillion, forty-four billion, four hundred forty-four million, two hundred four thousand, forty".