14305730640 has 40 divisors (see below), whose sum is σ = 44347765728. Its totient is φ = 3814861440.

The previous prime is 14305730633. The next prime is 14305730641. The reversal of 14305730640 is 4603750341.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14305730641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29803366 + ... + 29803845.

Almost surely, 2^14305730640 is an apocalyptic number.

14305730640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14305730640 is an abundant number, since it is smaller than the sum of its proper divisors (30042035088).

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

14305730640 is a wasteful number, since it uses less digits than its factorization.

14305730640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59607227 (or 59607221 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 14305730640 in words is "fourteen billion, three hundred five million, seven hundred thirty thousand, six hundred forty".