14243240420 has 24 divisors (see below), whose sum is σ = 30332086848. Its totient is φ = 5617052000.

The previous prime is 14243240393. The next prime is 14243240423. The reversal of 14243240420 is 2404234241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 14243240420.

It is not an unprimeable number, because it can be changed into a prime (14243240423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5013806 + ... + 5016645.

It is an arithmetic number, because the mean of its divisors is an integer number (1263836952).

Almost surely, 2^14243240420 is an apocalyptic number.

14243240420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14243240420 is an abundant number, since it is smaller than the sum of its proper divisors (16088846428).

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

14243240420 is a wasteful number, since it uses less digits than its factorization.

14243240420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10030531 (or 10030529 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 14243240420 its reverse (2404234241), we get a palindrome (16647474661).

The spelling of 14243240420 in words is "fourteen billion, two hundred forty-three million, two hundred forty thousand, four hundred twenty".