14544355420 has 72 divisors (see below), whose sum is σ = 35631280944. Its totient is φ = 4972391424.

The previous prime is 14544355409. The next prime is 14544355459. The reversal of 14544355420 is 2455344541.

It is a self number, because there is not a number n which added to its sum of digits gives 14544355420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324919 + ... + 366961.

It is an arithmetic number, because the mean of its divisors is an integer number (494878902).

Almost surely, 2^14544355420 is an apocalyptic number.

14544355420 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 14544355420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17815640472).

14544355420 is an abundant number, since it is smaller than the sum of its proper divisors (21086925524).

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

14544355420 is a wasteful number, since it uses less digits than its factorization.

14544355420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42419 (or 42410 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 14544355420 its reverse (2455344541), we get a palindrome (16999699961).

The spelling of 14544355420 in words is "fourteen billion, five hundred forty-four million, three hundred fifty-five thousand, four hundred twenty".