21300014344 has 16 divisors (see below), whose sum is σ = 45642888000. Its totient is φ = 9128577552.

The previous prime is 21300014341. The next prime is 21300014377. The reversal of 21300014344 is 44341000312.

It is a super-2 number, since 2×21300014344² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21300014341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190178644 + ... + 190178755.

It is an arithmetic number, because the mean of its divisors is an integer number (2852680500).

Almost surely, 2^21300014344 is an apocalyptic number.

It is an amenable number.

21300014344 is an abundant number, since it is smaller than the sum of its proper divisors (24342873656).

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

21300014344 is a wasteful number, since it uses less digits than its factorization.

21300014344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380357412 (or 380357408 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21300014344 its reverse (44341000312), we get a palindrome (65641014656).

The spelling of 21300014344 in words is "twenty-one billion, three hundred million, fourteen thousand, three hundred forty-four".