38123866368 has 108 divisors (see below), whose sum is σ = 125623487808. Its totient is φ = 10892528640.

The previous prime is 38123866351. The next prime is 38123866381. The reversal of 38123866368 is 86366832183.

It is a super-2 number, since 2×38123866368² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1165788 + ... + 1198043.

Almost surely, 2^38123866368 is an apocalyptic number.

It is an amenable number.

38123866368 is an abundant number, since it is smaller than the sum of its proper divisors (87499621440).

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

38123866368 is a wasteful number, since it uses less digits than its factorization.

38123866368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363860 (or 2363843 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The spelling of 38123866368 in words is "thirty-eight billion, one hundred twenty-three million, eight hundred sixty-six thousand, three hundred sixty-eight".