21268363530360 has 128 divisors (see below), whose sum is σ = 64053221083200. Its totient is φ = 5649514782720.

The previous prime is 21268363530329. The next prime is 21268363530383. The reversal of 21268363530360 is 6303536386212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199986000 + ... + 200092320.

Almost surely, 2^{21268363530360} is an apocalyptic number.

21268363530360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21268363530360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32026610541600).

21268363530360 is an abundant number, since it is smaller than the sum of its proper divisors (42784857552840).

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

21268363530360 is a wasteful number, since it uses less digits than its factorization.

21268363530360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112801 (or 112797 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 21268363530360 in words is "twenty-one trillion, two hundred sixty-eight billion, three hundred sixty-three million, five hundred thirty thousand, three hundred sixty".