381800324252488 has 16 divisors (see below), whose sum is σ = 718133890653180. Its totient is φ = 190297953411648.

The previous prime is 381800324252483. The next prime is 381800324252539. The reversal of 381800324252488 is 884252423008183.

It can be written as a sum of positive squares in 2 ways, for example, as 381771036037444 + 29288215044 = 19538962^2 + 171138^2 .

It is not an unprimeable number, because it can be changed into a prime (381800324252483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75276086631 + ... + 75276091702.

Almost surely, 2^{381800324252488} is an apocalyptic number.

It is an amenable number.

381800324252488 is a deficient number, since it is larger than the sum of its proper divisors (336333566400692).

381800324252488 is a wasteful number, since it uses less digits than its factorization.

381800324252488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150552178656 (or 150552178652 counting only the distinct ones).

The product of its (nonzero) digits is 23592960, while the sum is 58.

The spelling of 381800324252488 in words is "three hundred eighty-one trillion, eight hundred billion, three hundred twenty-four million, two hundred fifty-two thousand, four hundred eighty-eight".