381740656736 has 48 divisors (see below), whose sum is σ = 759705019920. Its totient is φ = 188801802240.

The previous prime is 381740656667. The next prime is 381740656771. The reversal of 381740656736 is 637656047183.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5961980 + ... + 6025668.

It is an arithmetic number, because the mean of its divisors is an integer number (15827187915).

Almost surely, 2^381740656736 is an apocalyptic number.

It is an amenable number.

381740656736 is a deficient number, since it is larger than the sum of its proper divisors (377964363184).

381740656736 is a wasteful number, since it uses less digits than its factorization.

381740656736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65727 (or 65719 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 381740656736 in words is "three hundred eighty-one billion, seven hundred forty million, six hundred fifty-six thousand, seven hundred thirty-six".