21441120004 has 24 divisors (see below), whose sum is σ = 37760508800. Its totient is φ = 10652614560.

The previous prime is 21441119989. The next prime is 21441120013. The reversal of 21441120004 is 40002114412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384742 + ... + 436930.

Almost surely, 2^21441120004 is an apocalyptic number.

It is an amenable number.

21441120004 is a deficient number, since it is larger than the sum of its proper divisors (16319388796).

21441120004 is a wasteful number, since it uses less digits than its factorization.

21441120004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52843 (or 52841 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 21441120004 its reverse (40002114412), we get a palindrome (61443234416).

The spelling of 21441120004 in words is "twenty-one billion, four hundred forty-one million, one hundred twenty thousand, four".