380444671668 has 48 divisors (see below), whose sum is σ = 934529792000. Its totient is φ = 120127015008.

The previous prime is 380444671643. The next prime is 380444671699. The reversal of 380444671668 is 866176444083.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 2063703 + ... + 2240481.

Almost surely, 2^380444671668 is an apocalyptic number.

380444671668 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

380444671668 is an abundant number, since it is smaller than the sum of its proper divisors (554085120332).

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

380444671668 is a wasteful number, since it uses less digits than its factorization.

380444671668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186244 (or 186242 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 57.

The spelling of 380444671668 in words is "three hundred eighty billion, four hundred forty-four million, six hundred seventy-one thousand, six hundred sixty-eight".