21446055441 has 24 divisors (see below), whose sum is σ = 32807402784. Its totient is φ = 13453249920.

The previous prime is 21446055427. The next prime is 21446055451. The reversal of 21446055441 is 14455064412.

21446055441 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 60 + 554 + 41 = 666.

It is not a de Polignac number, because 21446055441 - 2⁶ = 21446055377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21446055396 and 21446055405.

It is not an unprimeable number, because it can be changed into a prime (21446055451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 777610 + ... + 804716.

It is an arithmetic number, because the mean of its divisors is an integer number (1366975116).

Almost surely, 2^21446055441 is an apocalyptic number.

It is an amenable number.

21446055441 is a deficient number, since it is larger than the sum of its proper divisors (11361347343).

21446055441 is a wasteful number, since it uses less digits than its factorization.

21446055441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32301 (or 32298 counting only the distinct ones).

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

The spelling of 21446055441 in words is "twenty-one billion, four hundred forty-six million, fifty-five thousand, four hundred forty-one".