14404342420 has 96 divisors (see below), whose sum is σ = 34588639008. Its totient is φ = 4991680512.

The previous prime is 14404342409. The next prime is 14404342439. The reversal of 14404342420 is 2424340441.

It can be written as a sum of positive squares in 16 ways, for example, as 3945598596 + 10458743824 = 62814^2 + 102268^2 .

It is a super-2 number, since 2×14404342420² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1644292 + ... + 1653028.

It is an arithmetic number, because the mean of its divisors is an integer number (360298323).

Almost surely, 2^14404342420 is an apocalyptic number.

14404342420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14404342420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17294319504).

14404342420 is an abundant number, since it is smaller than the sum of its proper divisors (20184296588).

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

14404342420 is a wasteful number, since it uses less digits than its factorization.

14404342420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9149 (or 9147 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 14404342420 its reverse (2424340441), we get a palindrome (16828682861).

The spelling of 14404342420 in words is "fourteen billion, four hundred four million, three hundred forty-two thousand, four hundred twenty".