380256648 has 32 divisors (see below), whose sum is σ = 954633600. Its totient is φ = 126219968.

The previous prime is 380256641. The next prime is 380256719. The reversal of 380256648 is 846652083.

It is not an unprimeable number, because it can be changed into a prime (380256641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27411 + ... + 38882.

It is an arithmetic number, because the mean of its divisors is an integer number (29832300).

Almost surely, 2^380256648 is an apocalyptic number.

It is an amenable number.

380256648 is an abundant number, since it is smaller than the sum of its proper divisors (574376952).

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

380256648 is a wasteful number, since it uses less digits than its factorization.

380256648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66541 (or 66537 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 380256648 is about 19500.1704607934. The cubic root of 380256648 is about 724.4786727011.

The spelling of 380256648 in words is "three hundred eighty million, two hundred fifty-six thousand, six hundred forty-eight".