14402240021 has 16 divisors (see below), whose sum is σ = 15834268800. Its totient is φ = 13019039040.

The previous prime is 14402239967. The next prime is 14402240071. The reversal of 14402240021 is 12004220441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14402240021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14402239975 and 14402240002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14402240071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85166 + ... + 189888.

It is an arithmetic number, because the mean of its divisors is an integer number (989641800).

Almost surely, 2^14402240021 is an apocalyptic number.

It is an amenable number.

14402240021 is a deficient number, since it is larger than the sum of its proper divisors (1432028779).

14402240021 is a wasteful number, since it uses less digits than its factorization.

14402240021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104956.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 14402240021 its reverse (12004220441), we get a palindrome (26406460462).

The spelling of 14402240021 in words is "fourteen billion, four hundred two million, two hundred forty thousand, twenty-one".