21341464230 has 64 divisors (see below), whose sum is σ = 52914659328. Its totient is φ = 5503006080.

The previous prime is 21341464187. The next prime is 21341464241. The reversal of 21341464230 is 3246414312.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1225464 + ... + 1242756.

It is an arithmetic number, because the mean of its divisors is an integer number (826791552).

Almost surely, 2^21341464230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21341464230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26457329664).

21341464230 is an abundant number, since it is smaller than the sum of its proper divisors (31573195098).

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

21341464230 is a wasteful number, since it uses less digits than its factorization.

21341464230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18661.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 21341464230 its reverse (3246414312), we get a palindrome (24587878542).

The spelling of 21341464230 in words is "twenty-one billion, three hundred forty-one million, four hundred sixty-four thousand, two hundred thirty".