381244082512 has 40 divisors (see below), whose sum is σ = 750923278112. Its totient is φ = 187458710400.

The previous prime is 381244082501. The next prime is 381244082521. The reversal of 381244082512 is 215280442183.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 5064187 + ... + 5138917.

Almost surely, 2^381244082512 is an apocalyptic number.

It is an amenable number.

381244082512 is a deficient number, since it is larger than the sum of its proper divisors (369679195600).

381244082512 is a wasteful number, since it uses less digits than its factorization.

381244082512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80027 (or 80021 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 381244082512 in words is "three hundred eighty-one billion, two hundred forty-four million, eighty-two thousand, five hundred twelve".