38656000000 has 210 divisors, whose sum is σ = 97275786104. Its totient is φ = 15360000000.

The previous prime is 38655999989. The next prime is 38656000003. The reversal of 38656000000 is 65683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38656000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 255999925 + ... + 256000075.

Almost surely, 2^38656000000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38656000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48637893052).

38656000000 is an abundant number, since it is smaller than the sum of its proper divisors (58619786104).

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

38656000000 is an frugal number, since it uses more digits than its factorization.

38656000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 38656000000 its reverse (65683), we get a palindrome (38656065683).

The spelling of 38656000000 in words is "thirty-eight billion, six hundred fifty-six million", and thus it is an aban number.