14440320420 has 48 divisors (see below), whose sum is σ = 41293179648. Its totient is φ = 3768820480.

The previous prime is 14440320413. The next prime is 14440320431. The reversal of 14440320420 is 2402304441.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2557521 + ... + 2563160.

It is an arithmetic number, because the mean of its divisors is an integer number (860274576).

Almost surely, 2^14440320420 is an apocalyptic number.

14440320420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14440320420 is an abundant number, since it is smaller than the sum of its proper divisors (26852859228).

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

14440320420 is a wasteful number, since it uses less digits than its factorization.

14440320420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120740 (or 5120738 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 14440320420 its reverse (2402304441), we get a palindrome (16842624861).

The spelling of 14440320420 in words is "fourteen billion, four hundred forty million, three hundred twenty thousand, four hundred twenty".