38923009138256 has 20 divisors (see below), whose sum is σ = 75424454966400. Its totient is φ = 19458633663072.

The previous prime is 38923009138253. The next prime is 38923009138301. The reversal of 38923009138256 is 65283190032983.

It is a junction number, because it is equal to n+sod(n) for n = 38923009138195 and 38923009138204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38923009138253) 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 3 ways as a sum of consecutive naturals, for example, 179319776 + ... + 179536703.

It is an arithmetic number, because the mean of its divisors is an integer number (3771222748320).

Almost surely, 2^{38923009138256} is an apocalyptic number.

It is an amenable number.

38923009138256 is a deficient number, since it is larger than the sum of its proper divisors (36501445828144).

38923009138256 is a wasteful number, since it uses less digits than its factorization.

38923009138256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358863266 (or 358863260 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 59.

The spelling of 38923009138256 in words is "thirty-eight trillion, nine hundred twenty-three billion, nine million, one hundred thirty-eight thousand, two hundred fifty-six".