38299138768 has 30 divisors (see below), whose sum is σ = 81563717522. Its totient is φ = 17408698560.

The previous prime is 38299138733. The next prime is 38299138769. The reversal of 38299138768 is 86783199283.

It can be written as a sum of positive squares in only one way, i.e., 30099474064 + 8199664704 = 173492^2 + 90552^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38299138769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9889371 + ... + 9893242.

Almost surely, 2^38299138768 is an apocalyptic number.

It is an amenable number.

38299138768 is an abundant number, since it is smaller than the sum of its proper divisors (43264578754).

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

38299138768 is a wasteful number, since it uses less digits than its factorization.

38299138768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19782643 (or 19782626 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 64.

The spelling of 38299138768 in words is "thirty-eight billion, two hundred ninety-nine million, one hundred thirty-eight thousand, seven hundred sixty-eight".