13878962444 has 12 divisors (see below), whose sum is σ = 24290994000. Its totient is φ = 6938678448.

The previous prime is 13878962417. The next prime is 13878962483. The reversal of 13878962444 is 44426987831.

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 13878962444.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 160919 + ... + 231630.

It is an arithmetic number, because the mean of its divisors is an integer number (2024249500).

Almost surely, 2^13878962444 is an apocalyptic number.

It is an amenable number.

13878962444 is a deficient number, since it is larger than the sum of its proper divisors (10412031556).

13878962444 is a wasteful number, since it uses less digits than its factorization.

13878962444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401392 (or 401390 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 56.

The spelling of 13878962444 in words is "thirteen billion, eight hundred seventy-eight million, nine hundred sixty-two thousand, four hundred forty-four".