381022750626768 has 60 divisors (see below), whose sum is σ = 1066341555806020. Its totient is φ = 127006743564288.

The previous prime is 381022750626767. The next prime is 381022750626797. The reversal of 381022750626768 is 867626057220183.

381022750626768 is a `hidden beast` number, since 3 + 8 + 1 + 0 + 2 + 2 + 7 + 506 + 2 + 67 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 105436588405824 + 275586162220944 = 10268232^2 + 16600788^2 .

It is a super-3 number, since 3×381022750626768³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381022750626767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13291248 + ... + 30638256.

Almost surely, 2^{381022750626768} is an apocalyptic number.

It is an amenable number.

381022750626768 is an abundant number, since it is smaller than the sum of its proper divisors (685318805179252).

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

381022750626768 is a wasteful number, since it uses less digits than its factorization.

381022750626768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17499556 (or 17499547 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 63.

The spelling of 381022750626768 in words is "three hundred eighty-one trillion, twenty-two billion, seven hundred fifty million, six hundred twenty-six thousand, seven hundred sixty-eight".