38381607760 has 20 divisors (see below), whose sum is σ = 89237238228. Its totient is φ = 15352643072.

The previous prime is 38381607757. The next prime is 38381607769. The reversal of 38381607760 is 6770618383.

It can be written as a sum of positive squares in 2 ways, for example, as 25802639424 + 12578968336 = 160632^2 + 112156^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38381607769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239884969 + ... + 239885128.

Almost surely, 2^38381607760 is an apocalyptic number.

It is an amenable number.

38381607760 is an abundant number, since it is smaller than the sum of its proper divisors (50855630468).

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

38381607760 is a wasteful number, since it uses less digits than its factorization.

38381607760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479770110 (or 479770104 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 38381607760 in words is "thirty-eight billion, three hundred eighty-one million, six hundred seven thousand, seven hundred sixty".