381580448 has 12 divisors (see below), whose sum is σ = 751236570. Its totient is φ = 190790208.

The previous prime is 381580447. The next prime is 381580513. The reversal of 381580448 is 844085183.

It can be written as a sum of positive squares in only one way, i.e., 312158224 + 69422224 = 17668^2 + 8332^2 .

It is not an unprimeable number, because it can be changed into a prime (381580447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5962163 + ... + 5962226.

Almost surely, 2^381580448 is an apocalyptic number.

It is an amenable number.

381580448 is a deficient number, since it is larger than the sum of its proper divisors (369656122).

381580448 is a wasteful number, since it uses less digits than its factorization.

381580448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11924399 (or 11924391 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 381580448 is about 19534.0842631540. The cubic root of 381580448 is about 725.3184161376.

The spelling of 381580448 in words is "three hundred eighty-one million, five hundred eighty thousand, four hundred forty-eight".