21441332041244 has 12 divisors (see below), whose sum is σ = 37523988797064. Its totient is φ = 10720192384944.

The previous prime is 21441332041223. The next prime is 21441332041253. The reversal of 21441332041244 is 44214023314412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118307054 + ... + 118488149.

It is an arithmetic number, because the mean of its divisors is an integer number (3126999066422).

Almost surely, 2^{21441332041244} is an apocalyptic number.

It is an amenable number.

21441332041244 is a deficient number, since it is larger than the sum of its proper divisors (16082656755820).

21441332041244 is a wasteful number, since it uses less digits than its factorization.

21441332041244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236817844 (or 236817842 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 21441332041244 its reverse (44214023314412), we get a palindrome (65655355355656).

The spelling of 21441332041244 in words is "twenty-one trillion, four hundred forty-one billion, three hundred thirty-two million, forty-one thousand, two hundred forty-four".