21440550132441 has 12 divisors (see below), whose sum is σ = 33785109299760. Its totient is φ = 12994272807480.

The previous prime is 21440550132349. The next prime is 21440550132467. The reversal of 21440550132441 is 14423105504412.

21440550132441 is a `hidden beast` number, since 2 + 1 + 4 + 40 + 550 + 1 + 3 + 24 + 41 = 666.

It is not a de Polignac number, because 21440550132441 - 2²³ = 21440541743833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21440550132396 and 21440550132405.

It is not an unprimeable number, because it can be changed into a prime (21440550132641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108285606631 + ... + 108285606828.

It is an arithmetic number, because the mean of its divisors is an integer number (2815425774980).

Almost surely, 2^{21440550132441} is an apocalyptic number.

It is an amenable number.

21440550132441 is a deficient number, since it is larger than the sum of its proper divisors (12344559167319).

21440550132441 is a wasteful number, since it uses less digits than its factorization.

21440550132441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216571213476 (or 216571213473 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 21440550132441 its reverse (14423105504412), we get a palindrome (35863655636853).

The spelling of 21440550132441 in words is "twenty-one trillion, four hundred forty billion, five hundred fifty million, one hundred thirty-two thousand, four hundred forty-one".