1384922678672 has 40 divisors (see below), whose sum is σ = 2905659676920. Its totient is φ = 635663600640.

The previous prime is 1384922678663. The next prime is 1384922678743. The reversal of 1384922678672 is 2768762294831.

It can be written as a sum of positive squares in 4 ways, for example, as 60130886656 + 1324791792016 = 245216^2 + 1150996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1384922678599 and 1384922678608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18355397 + ... + 18430692.

It is an arithmetic number, because the mean of its divisors is an integer number (72641491923).

Almost surely, 2^{1384922678672} is an apocalyptic number.

It is an amenable number.

1384922678672 is an abundant number, since it is smaller than the sum of its proper divisors (1520736998248).

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

1384922678672 is a wasteful number, since it uses less digits than its factorization.

1384922678672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36786291 (or 36786285 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 65.

The spelling of 1384922678672 in words is "one trillion, three hundred eighty-four billion, nine hundred twenty-two million, six hundred seventy-eight thousand, six hundred seventy-two".