1378043328 has 56 divisors (see below), whose sum is σ = 3654216720. Its totient is φ = 458321920.

The previous prime is 1378043327. The next prime is 1378043351. The reversal of 1378043328 is 8233408731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378043327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80728 + ... + 96296.

It is an arithmetic number, because the mean of its divisors is an integer number (65253870).

Almost surely, 2^1378043328 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 1378043328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1827108360).

1378043328 is an abundant number, since it is smaller than the sum of its proper divisors (2276173392).

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

1378043328 is a wasteful number, since it uses less digits than its factorization.

1378043328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16045 (or 16035 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1378043328 is about 37122.0059802808. The cubic root of 1378043328 is about 1112.8098408627.

The spelling of 1378043328 in words is "one billion, three hundred seventy-eight million, forty-three thousand, three hundred twenty-eight".