21114342304 has 96 divisors (see below), whose sum is σ = 45933967296. Its totient is φ = 9473925120.

The previous prime is 21114342269. The next prime is 21114342307. The reversal of 21114342304 is 40324341112.

It is not an unprimeable number, because it can be changed into a prime (21114342307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22295559 + ... + 22296505.

It is an arithmetic number, because the mean of its divisors is an integer number (478478826).

Almost surely, 2^21114342304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21114342304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22966983648).

21114342304 is an abundant number, since it is smaller than the sum of its proper divisors (24819624992).

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

21114342304 is a wasteful number, since it uses less digits than its factorization.

21114342304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21114342304 its reverse (40324341112), we get a palindrome (61438683416).

The spelling of 21114342304 in words is "twenty-one billion, one hundred fourteen million, three hundred forty-two thousand, three hundred four".