380446873656 has 32 divisors (see below), whose sum is σ = 951132336000. Its totient is φ = 126813604320.

The previous prime is 380446873579. The next prime is 380446873679. The reversal of 380446873656 is 656378644083.

It is a self number, because there is not a number n which added to its sum of digits gives 380446873656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733645 + ... + 2869443.

It is an arithmetic number, because the mean of its divisors is an integer number (29722885500).

Almost surely, 2^380446873656 is an apocalyptic number.

It is an amenable number.

380446873656 is an abundant number, since it is smaller than the sum of its proper divisors (570685462344).

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

380446873656 is a wasteful number, since it uses less digits than its factorization.

380446873656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252539 (or 252535 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 60.

The spelling of 380446873656 in words is "three hundred eighty billion, four hundred forty-six million, eight hundred seventy-three thousand, six hundred fifty-six".