20043441404440 has 64 divisors (see below), whose sum is σ = 45168107306400. Its totient is φ = 8004869655552.

The previous prime is 20043441404429. The next prime is 20043441404489. The reversal of 20043441404440 is 4440414434002.

It is a junction number, because it is equal to n+sod(n) for n = 20043441404396 and 20043441404405.

It is a congruent number.

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, 347290306 + ... + 347348014.

Almost surely, 2^{20043441404440} is an apocalyptic number.

20043441404440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20043441404440 is an abundant number, since it is smaller than the sum of its proper divisors (25124665901960).

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

20043441404440 is a wasteful number, since it uses less digits than its factorization.

20043441404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71116 (or 71112 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 20043441404440 its reverse (4440414434002), we get a palindrome (24483855838442).

The spelling of 20043441404440 in words is "twenty trillion, forty-three billion, four hundred forty-one million, four hundred four thousand, four hundred forty".