14398824856 has 64 divisors (see below), whose sum is σ = 29949131520. Its totient is φ = 6447772800.

The previous prime is 14398824763. The next prime is 14398824857. The reversal of 14398824856 is 65842889341.

It is a self number, because there is not a number n which added to its sum of digits gives 14398824856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14398824857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664611 + ... + 685933.

It is an arithmetic number, because the mean of its divisors is an integer number (467955180).

Almost surely, 2^14398824856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14398824856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14974565760).

14398824856 is an abundant number, since it is smaller than the sum of its proper divisors (15550306664).

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

14398824856 is a wasteful number, since it uses less digits than its factorization.

14398824856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21536 (or 21532 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 58.

The spelling of 14398824856 in words is "fourteen billion, three hundred ninety-eight million, eight hundred twenty-four thousand, eight hundred fifty-six".