38923378749550 has 48 divisors (see below), whose sum is σ = 72462441348000. Its totient is φ = 15555385359360.

The previous prime is 38923378749527. The next prime is 38923378749571. The reversal of 38923378749550 is 5594787332983.

38923378749550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 583551802 + ... + 583618498.

It is an arithmetic number, because the mean of its divisors is an integer number (1509634194750).

Almost surely, 2^{38923378749550} is an apocalyptic number.

38923378749550 is a deficient number, since it is larger than the sum of its proper divisors (33539062598450).

38923378749550 is a wasteful number, since it uses less digits than its factorization.

38923378749550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77005 (or 77000 counting only the distinct ones).

The product of its (nonzero) digits is 1371686400, while the sum is 73.

The spelling of 38923378749550 in words is "thirty-eight trillion, nine hundred twenty-three billion, three hundred seventy-eight million, seven hundred forty-nine thousand, five hundred fifty".