38066728968 has 24 divisors (see below), whose sum is σ = 103097391150. Its totient is φ = 12688909632.

The previous prime is 38066728951. The next prime is 38066729009. The reversal of 38066728968 is 86982766083.

It can be written as a sum of positive squares in only one way, i.e., 37472442084 + 594286884 = 193578^2 + 24378^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264352213 + ... + 264352356.

Almost surely, 2^38066728968 is an apocalyptic number.

It is an amenable number.

38066728968 is an abundant number, since it is smaller than the sum of its proper divisors (65030662182).

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

38066728968 is a wasteful number, since it uses less digits than its factorization.

38066728968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528704581 (or 528704574 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 38066728968 in words is "thirty-eight billion, sixty-six million, seven hundred twenty-eight thousand, nine hundred sixty-eight".