380783531328 has 112 divisors (see below), whose sum is σ = 1012386713856. Its totient is φ = 126312192000.

The previous prime is 380783531299. The next prime is 380783531393. The reversal of 380783531328 is 823135387083.

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 15 ways as a sum of consecutive naturals, for example, 42243750 + ... + 42252762.

It is an arithmetic number, because the mean of its divisors is an integer number (9039167088).

Almost surely, 2^380783531328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380783531328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506193356928).

380783531328 is an abundant number, since it is smaller than the sum of its proper divisors (631603182528).

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

380783531328 is a wasteful number, since it uses less digits than its factorization.

380783531328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10072 (or 10062 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 380783531328 in words is "three hundred eighty billion, seven hundred eighty-three million, five hundred thirty-one thousand, three hundred twenty-eight".