380444220528 has 20 divisors (see below), whose sum is σ = 982814236488. Its totient is φ = 126814740160.

The previous prime is 380444220523. The next prime is 380444220577. The reversal of 380444220528 is 825022444083.

It is a self number, because there is not a number n which added to its sum of digits gives 380444220528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380444220523) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3962960583 + ... + 3962960678.

Almost surely, 2^380444220528 is an apocalyptic number.

It is an amenable number.

380444220528 is an abundant number, since it is smaller than the sum of its proper divisors (602370015960).

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

380444220528 is a wasteful number, since it uses less digits than its factorization.

380444220528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7925921272 (or 7925921266 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 42.

The spelling of 380444220528 in words is "three hundred eighty billion, four hundred forty-four million, two hundred twenty thousand, five hundred twenty-eight".