14005144420 has 24 divisors (see below), whose sum is σ = 29456570304. Its totient is φ = 5593340256.

The previous prime is 14005144399. The next prime is 14005144421. The reversal of 14005144420 is 2444150041.

It is a super-2 number, since 2×14005144420² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14005144421) 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, 531664 + ... + 557383.

It is an arithmetic number, because the mean of its divisors is an integer number (1227357096).

Almost surely, 2^14005144420 is an apocalyptic number.

14005144420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14005144420 is an abundant number, since it is smaller than the sum of its proper divisors (15451425884).

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

14005144420 is a wasteful number, since it uses less digits than its factorization.

14005144420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089699 (or 1089697 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 14005144420 its reverse (2444150041), we get a palindrome (16449294461).

The spelling of 14005144420 in words is "fourteen billion, five million, one hundred forty-four thousand, four hundred twenty".