381330880328 has 8 divisors (see below), whose sum is σ = 714995400630. Its totient is φ = 190665440160.

The previous prime is 381330880319. The next prime is 381330880331. The reversal of 381330880328 is 823088033183.

It can be written as a sum of positive squares in only one way, i.e., 258086352484 + 123244527844 = 508022^2 + 351062^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 23833180013 + ... + 23833180028.

Almost surely, 2^381330880328 is an apocalyptic number.

It is an amenable number.

381330880328 is a deficient number, since it is larger than the sum of its proper divisors (333664520302).

381330880328 is a wasteful number, since it uses less digits than its factorization.

381330880328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47666360047 (or 47666360043 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 381330880328 in words is "three hundred eighty-one billion, three hundred thirty million, eight hundred eighty thousand, three hundred twenty-eight".