14447135640 has 128 divisors (see below), whose sum is σ = 52140096000. Its totient is φ = 3128398848.

The previous prime is 14447135603. The next prime is 14447135641. The reversal of 14447135640 is 4653174441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14447135641) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 436645 + ... + 468564.

It is an arithmetic number, because the mean of its divisors is an integer number (407344500).

Almost surely, 2^14447135640 is an apocalyptic number.

14447135640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14447135640 is an abundant number, since it is smaller than the sum of its proper divisors (37692960360).

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

14447135640 is a wasteful number, since it uses less digits than its factorization.

14447135640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905249 (or 905245 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 14447135640 in words is "fourteen billion, four hundred forty-seven million, one hundred thirty-five thousand, six hundred forty".