14243403420 has 192 divisors, whose sum is σ = 48011927040. Its totient is φ = 3491582976.

The previous prime is 14243403379. The next prime is 14243403431. The reversal of 14243403420 is 2430434241.

It is a happy number.

14243403420 is a `hidden beast` number, since 14 + 243 + 403 + 4 + 2 + 0 = 666.

14243403420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 376699 + ... + 412781.

It is an arithmetic number, because the mean of its divisors is an integer number (250062120).

Almost surely, 2^14243403420 is an apocalyptic number.

14243403420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14243403420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24005963520).

14243403420 is an abundant number, since it is smaller than the sum of its proper divisors (33768523620).

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

14243403420 is a wasteful number, since it uses less digits than its factorization.

14243403420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36161 (or 36153 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 14243403420 its reverse (2430434241), we get a palindrome (16673837661).

The spelling of 14243403420 in words is "fourteen billion, two hundred forty-three million, four hundred three thousand, four hundred twenty".