380442647886 has 16 divisors (see below), whose sum is σ = 869583195264. Its totient is φ = 108697899384.

The previous prime is 380442647873. The next prime is 380442647951. The reversal of 380442647886 is 688746244083.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4529079100 + ... + 4529079183.

It is an arithmetic number, because the mean of its divisors is an integer number (54348949704).

Almost surely, 2^380442647886 is an apocalyptic number.

380442647886 is an abundant number, since it is smaller than the sum of its proper divisors (489140547378).

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

380442647886 is a wasteful number, since it uses less digits than its factorization.

380442647886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9058158295.

The product of its (nonzero) digits is 49545216, while the sum is 60.

The spelling of 380442647886 in words is "three hundred eighty billion, four hundred forty-two million, six hundred forty-seven thousand, eight hundred eighty-six".