14205013644 has 24 divisors (see below), whose sum is σ = 33599075440. Its totient is φ = 4670141184.

The previous prime is 14205013639. The next prime is 14205013661. The reversal of 14205013644 is 44631050241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8107009 + ... + 8108760.

Almost surely, 2^14205013644 is an apocalyptic number.

It is an amenable number.

14205013644 is an abundant number, since it is smaller than the sum of its proper divisors (19394061796).

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

14205013644 is a wasteful number, since it uses less digits than its factorization.

14205013644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16215849 (or 16215847 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 14205013644 its reverse (44631050241), we get a palindrome (58836063885).

The spelling of 14205013644 in words is "fourteen billion, two hundred five million, thirteen thousand, six hundred forty-four".