21726271606700 has 36 divisors (see below), whose sum is σ = 49627378305960. Its totient is φ = 8233113450240.

The previous prime is 21726271606687. The next prime is 21726271606709. The reversal of 21726271606700 is 760617262712.

It is not an unprimeable number, because it can be changed into a prime (21726271606709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5717437997 + ... + 5717441796.

Almost surely, 2^{21726271606700} is an apocalyptic number.

21726271606700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21726271606700 is an abundant number, since it is smaller than the sum of its proper divisors (27901106699260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21726271606700 is a wasteful number, since it uses less digits than its factorization.

21726271606700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11434879826 (or 11434879819 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 21726271606700 in words is "twenty-one trillion, seven hundred twenty-six billion, two hundred seventy-one million, six hundred six thousand, seven hundred".