21301358848 has 216 divisors, whose sum is σ = 55153333760. Its totient is φ = 8028979200.

The previous prime is 21301358839. The next prime is 21301358861. The reversal of 21301358848 is 84885310312.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6720208 + ... + 6723376.

Almost surely, 2^21301358848 is an apocalyptic number.

21301358848 is a gapful number since it is divisible by the number (28) 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 21301358848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27576666880).

21301358848 is an abundant number, since it is smaller than the sum of its proper divisors (33851974912).

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

21301358848 is a wasteful number, since it uses less digits than its factorization.

21301358848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245 (or 3220 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 21301358848 in words is "twenty-one billion, three hundred one million, three hundred fifty-eight thousand, eight hundred forty-eight".