14043640464 has 80 divisors (see below), whose sum is σ = 46069095040. Its totient is φ = 4012467840.

The previous prime is 14043640441. The next prime is 14043640469. The reversal of 14043640464 is 46404634041.

14043640464 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 3 + 640 + 4 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (14043640469) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2319007 + ... + 2325054.

It is an arithmetic number, because the mean of its divisors is an integer number (575863688).

Almost surely, 2^14043640464 is an apocalyptic number.

14043640464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

14043640464 is an abundant number, since it is smaller than the sum of its proper divisors (32025454576).

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

14043640464 is a wasteful number, since it uses less digits than its factorization.

14043640464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644085 (or 4644073 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 14043640464 in words is "fourteen billion, forty-three million, six hundred forty thousand, four hundred sixty-four".