38841760728 has 24 divisors (see below), whose sum is σ = 105196435500. Its totient is φ = 12947253552.

The previous prime is 38841760721. The next prime is 38841760733. The reversal of 38841760728 is 82706714883.

It is a happy number.

38841760728 is a `hidden beast` number, since 3 + 8 + 8 + 4 + 1 + 7 + 607 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38841760721) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 269734378 + ... + 269734521.

Almost surely, 2^38841760728 is an apocalyptic number.

It is an amenable number.

38841760728 is an abundant number, since it is smaller than the sum of its proper divisors (66354674772).

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

38841760728 is a wasteful number, since it uses less digits than its factorization.

38841760728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539468911 (or 539468904 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 38841760728 in words is "thirty-eight billion, eight hundred forty-one million, seven hundred sixty thousand, seven hundred twenty-eight".