21340144314 has 24 divisors (see below), whose sum is σ = 46239665472. Its totient is φ = 7112968200.

The previous prime is 21340144271. The next prime is 21340144321. The reversal of 21340144314 is 41344104312.

21340144314 is a `hidden beast` number, since 2 + 1 + 340 + 1 + 4 + 4 + 314 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591807 + ... + 626829.

It is an arithmetic number, because the mean of its divisors is an integer number (1926652728).

Almost surely, 2^21340144314 is an apocalyptic number.

21340144314 is an abundant number, since it is smaller than the sum of its proper divisors (24899521158).

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

21340144314 is a wasteful number, since it uses less digits than its factorization.

21340144314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68882 (or 68879 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 21340144314 its reverse (41344104312), we get a palindrome (62684248626).

The spelling of 21340144314 in words is "twenty-one billion, three hundred forty million, one hundred forty-four thousand, three hundred fourteen".