1378383842 has 48 divisors (see below), whose sum is σ = 2433261600. Its totient is φ = 583387200.

The previous prime is 1378383821. The next prime is 1378383889. The reversal of 1378383842 is 2483838731.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268742 + ... + 273822.

It is an arithmetic number, because the mean of its divisors is an integer number (50692950).

Almost surely, 2^1378383842 is an apocalyptic number.

1378383842 is a deficient number, since it is larger than the sum of its proper divisors (1054877758).

1378383842 is a wasteful number, since it uses less digits than its factorization.

1378383842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183 (or 5172 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 1378383842 is about 37126.5921140091. The cubic root of 1378383842 is about 1112.9014916151.

The spelling of 1378383842 in words is "one billion, three hundred seventy-eight million, three hundred eighty-three thousand, eight hundred forty-two".