14440021331420 has 12 divisors (see below), whose sum is σ = 30324044796024. Its totient is φ = 5776008532560.

The previous prime is 14440021331401. The next prime is 14440021331441. The reversal of 14440021331420 is 2413312004441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361000533266 + ... + 361000533305.

It is an arithmetic number, because the mean of its divisors is an integer number (2527003733002).

Almost surely, 2^{14440021331420} is an apocalyptic number.

14440021331420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14440021331420 is an abundant number, since it is smaller than the sum of its proper divisors (15884023464604).

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

14440021331420 is a wasteful number, since it uses less digits than its factorization.

14440021331420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722001066580 (or 722001066578 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 14440021331420 its reverse (2413312004441), we get a palindrome (16853333335861).

The spelling of 14440021331420 in words is "fourteen trillion, four hundred forty billion, twenty-one million, three hundred thirty-one thousand, four hundred twenty".