14220042440 has 16 divisors (see below), whose sum is σ = 31995095580. Its totient is φ = 5688016960.

The previous prime is 14220042437. The next prime is 14220042443. The reversal of 14220042440 is 4424002241.

It is an interprime number because it is at equal distance from previous prime (14220042437) and next prime (14220042443).

It can be written as a sum of positive squares in 2 ways, for example, as 12316116484 + 1903925956 = 110978^2 + 43634^2 .

It is not an unprimeable number, because it can be changed into a prime (14220042443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177750491 + ... + 177750570.

Almost surely, 2^14220042440 is an apocalyptic number.

14220042440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14220042440 is an abundant number, since it is smaller than the sum of its proper divisors (17775053140).

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

14220042440 is a wasteful number, since it uses less digits than its factorization.

14220042440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355501072 (or 355501068 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 14220042440 its reverse (4424002241), we get a palindrome (18644044681).

The spelling of 14220042440 in words is "fourteen billion, two hundred twenty million, forty-two thousand, four hundred forty".