14203421240 has 32 divisors (see below), whose sum is σ = 32560678080. Its totient is φ = 5574172032.

The previous prime is 14203421237. The next prime is 14203421261. The reversal of 14203421240 is 4212430241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3347744 + ... + 3351983.

It is an arithmetic number, because the mean of its divisors is an integer number (1017521190).

Almost surely, 2^14203421240 is an apocalyptic number.

14203421240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14203421240 is an abundant number, since it is smaller than the sum of its proper divisors (18357256840).

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

14203421240 is a wasteful number, since it uses less digits than its factorization.

14203421240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699791 (or 6699787 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 14203421240 its reverse (4212430241), we get a palindrome (18415851481).

Subtracting from 14203421240 its reverse (4212430241), we obtain a palindrome (9990990999).

The spelling of 14203421240 in words is "fourteen billion, two hundred three million, four hundred twenty-one thousand, two hundred forty".