14396449816 has 128 divisors (see below), whose sum is σ = 32622912000. Its totient is φ = 5825820672.

The previous prime is 14396449799. The next prime is 14396449819. The reversal of 14396449816 is 61894469341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14396449819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33247936 + ... + 33248368.

It is an arithmetic number, because the mean of its divisors is an integer number (254866500).

Almost surely, 2^14396449816 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 14396449816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16311456000).

14396449816 is an abundant number, since it is smaller than the sum of its proper divisors (18226462184).

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

14396449816 is a wasteful number, since it uses less digits than its factorization.

14396449816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 877 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 55.

The spelling of 14396449816 in words is "fourteen billion, three hundred ninety-six million, four hundred forty-nine thousand, eight hundred sixteen".