21714236682960 has 80 divisors (see below), whose sum is σ = 67315116092544. Its totient is φ = 5790378610176.

The previous prime is 21714236682923. The next prime is 21714236682977. The reversal of 21714236682960 is 6928663241712.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 21714236682960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16776774 + ... + 18024666.

Almost surely, 2^{21714236682960} is an apocalyptic number.

21714236682960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21714236682960 is an abundant number, since it is smaller than the sum of its proper divisors (45600879409584).

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

21714236682960 is a wasteful number, since it uses less digits than its factorization.

21714236682960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320412 (or 1320406 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 21714236682960 in words is "twenty-one trillion, seven hundred fourteen billion, two hundred thirty-six million, six hundred eighty-two thousand, nine hundred sixty".