1378432088844 has 12 divisors (see below), whose sum is σ = 3216341540664. Its totient is φ = 459477362944.

The previous prime is 1378432088779. The next prime is 1378432088849. The reversal of 1378432088844 is 4488802348731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1378432088849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57434670357 + ... + 57434670380.

It is an arithmetic number, because the mean of its divisors is an integer number (268028461722).

Almost surely, 2^{1378432088844} is an apocalyptic number.

It is an amenable number.

1378432088844 is an abundant number, since it is smaller than the sum of its proper divisors (1837909451820).

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

1378432088844 is a wasteful number, since it uses less digits than its factorization.

1378432088844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114869340744 (or 114869340742 counting only the distinct ones).

The product of its (nonzero) digits is 33030144, while the sum is 60.

The spelling of 1378432088844 in words is "one trillion, three hundred seventy-eight billion, four hundred thirty-two million, eighty-eight thousand, eight hundred forty-four".