38923378188442 has 32 divisors (see below), whose sum is σ = 64845962976960. Its totient is φ = 17374994622720.

The previous prime is 38923378188419. The next prime is 38923378188503. The reversal of 38923378188442 is 24488187332983.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 71550268 + ... + 72092215.

It is an arithmetic number, because the mean of its divisors is an integer number (2026436343030).

Almost surely, 2^{38923378188442} is an apocalyptic number.

38923378188442 is a deficient number, since it is larger than the sum of its proper divisors (25922584788518).

38923378188442 is a wasteful number, since it uses less digits than its factorization.

38923378188442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143642718.

The product of its digits is 445906944, while the sum is 70.

The spelling of 38923378188442 in words is "thirty-eight trillion, nine hundred twenty-three billion, three hundred seventy-eight million, one hundred eighty-eight thousand, four hundred forty-two".