21027306096 has 60 divisors (see below), whose sum is σ = 59811986520. Its totient is φ = 6894195840.

The previous prime is 21027306067. The next prime is 21027306101. The reversal of 21027306096 is 69060372012.

21027306096 is a `hidden beast` number, since 2 + 10 + 2 + 7 + 30 + 609 + 6 = 666.

It is a super-2 number, since 2×21027306096² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 21027306096.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1188126 + ... + 1205693.

It is an arithmetic number, because the mean of its divisors is an integer number (996866442).

Almost surely, 2^21027306096 is an apocalyptic number.

It is an amenable number.

21027306096 is an abundant number, since it is smaller than the sum of its proper divisors (38784680424).

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

21027306096 is a wasteful number, since it uses less digits than its factorization.

21027306096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393894 (or 2393885 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 21027306096 in words is "twenty-one billion, twenty-seven million, three hundred six thousand, ninety-six".