14143640640 has 56 divisors (see below), whose sum is σ = 44906062080. Its totient is φ = 3771637248.

The previous prime is 14143640633. The next prime is 14143640689. The reversal of 14143640640 is 4604634141.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7365520 + ... + 7367439.

Almost surely, 2^14143640640 is an apocalyptic number.

14143640640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14143640640 is an abundant number, since it is smaller than the sum of its proper divisors (30762421440).

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

14143640640 is a wasteful number, since it uses less digits than its factorization.

14143640640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14732979 (or 14732969 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 14143640640 in words is "fourteen billion, one hundred forty-three million, six hundred forty thousand, six hundred forty".