21441044104 has 32 divisors (see below), whose sum is σ = 41632381440. Its totient is φ = 10341302400.

The previous prime is 21441044101. The next prime is 21441044111. The reversal of 21441044104 is 40144014412.

It is not an unprimeable number, because it can be changed into a prime (21441044101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61869 + ... + 216124.

It is an arithmetic number, because the mean of its divisors is an integer number (1301011920).

Almost surely, 2^21441044104 is an apocalyptic number.

It is an amenable number.

21441044104 is a deficient number, since it is larger than the sum of its proper divisors (20191337336).

21441044104 is a wasteful number, since it uses less digits than its factorization.

21441044104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278341 (or 278337 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 21441044104 its reverse (40144014412), we get a palindrome (61585058516).

The spelling of 21441044104 in words is "twenty-one billion, four hundred forty-one million, forty-four thousand, one hundred four".