21026102668576 has 48 divisors (see below), whose sum is σ = 41490872456544. Its totient is φ = 10488758252544.

The previous prime is 21026102668573. The next prime is 21026102668603. The reversal of 21026102668576 is 67586620162012.

It is not an unprimeable number, because it can be changed into a prime (21026102668573) 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, 33432415 + ... + 34055521.

It is an arithmetic number, because the mean of its divisors is an integer number (864393176178).

Almost surely, 2^{21026102668576} is an apocalyptic number.

It is an amenable number.

21026102668576 is a deficient number, since it is larger than the sum of its proper divisors (20464769787968).

21026102668576 is a wasteful number, since it uses less digits than its factorization.

21026102668576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625553 (or 625545 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 21026102668576 in words is "twenty-one trillion, twenty-six billion, one hundred two million, six hundred sixty-eight thousand, five hundred seventy-six".