14943444378 has 16 divisors (see below), whose sum is σ = 30376838496. Its totient is φ = 4899489840.

The previous prime is 14943444353. The next prime is 14943444407. The reversal of 14943444378 is 87344434941.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 14943444378.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20414176 + ... + 20414907.

It is an arithmetic number, because the mean of its divisors is an integer number (1898552406).

Almost surely, 2^14943444378 is an apocalyptic number.

14943444378 is an abundant number, since it is smaller than the sum of its proper divisors (15433394118).

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

14943444378 is a wasteful number, since it uses less digits than its factorization.

14943444378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40829149.

The product of its digits is 4644864, while the sum is 51.

The spelling of 14943444378 in words is "fourteen billion, nine hundred forty-three million, four hundred forty-four thousand, three hundred seventy-eight".