21445550010441 has 12 divisors (see below), whose sum is σ = 30976952074432. Its totient is φ = 14297011877016.

The previous prime is 21445550010427. The next prime is 21445550010449. The reversal of 21445550010441 is 14401005554412.

21445550010441 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 5 + 5 + 500 + 104 + 41 = 666.

It is not a de Polignac number, because 21445550010441 - 2¹⁸ = 21445549748297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21445550010396 and 21445550010405.

It is not an unprimeable number, because it can be changed into a prime (21445550010449) 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, 6620100 + ... + 9312186.

Almost surely, 2^{21445550010441} is an apocalyptic number.

It is an amenable number.

21445550010441 is a deficient number, since it is larger than the sum of its proper divisors (9531402063991).

21445550010441 is a wasteful number, since it uses less digits than its factorization.

21445550010441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577220 (or 3577217 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 21445550010441 its reverse (14401005554412), we get a palindrome (35846555564853).

The spelling of 21445550010441 in words is "twenty-one trillion, four hundred forty-five billion, five hundred fifty million, ten thousand, four hundred forty-one".