21127826224 has 20 divisors (see below), whose sum is σ = 40946512936. Its totient is φ = 10560984192.

The previous prime is 21127826183. The next prime is 21127826231. The reversal of 21127826224 is 42262872112.

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, 122949 + ... + 239524.

Almost surely, 2^21127826224 is an apocalyptic number.

It is an amenable number.

21127826224 is a deficient number, since it is larger than the sum of its proper divisors (19818686712).

21127826224 is a wasteful number, since it uses less digits than its factorization.

21127826224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366124 (or 366118 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The spelling of 21127826224 in words is "twenty-one billion, one hundred twenty-seven million, eight hundred twenty-six thousand, two hundred twenty-four".