21940107362 has 8 divisors (see below), whose sum is σ = 33326745600. Its totient is φ = 10831192164.

The previous prime is 21940107347. The next prime is 21940107379. The reversal of 21940107362 is 26370104912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21940107362² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69430562 + ... + 69430877.

It is an arithmetic number, because the mean of its divisors is an integer number (4165843200).

Almost surely, 2^21940107362 is an apocalyptic number.

21940107362 is a deficient number, since it is larger than the sum of its proper divisors (11386638238).

21940107362 is a wasteful number, since it uses less digits than its factorization.

21940107362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138861520.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 21940107362 in words is "twenty-one billion, nine hundred forty million, one hundred seven thousand, three hundred sixty-two".