394228110120938 has 16 divisors (see below), whose sum is σ = 626430185049120. Its totient is φ = 185550206705136.

The previous prime is 394228110120937. The next prime is 394228110120979. The reversal of 394228110120938 is 839021011822493.

It is a self number, because there is not a number n which added to its sum of digits gives 394228110120938.

It is not an unprimeable number, because it can be changed into a prime (394228110120937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33039560756 + ... + 33039572687.

It is an arithmetic number, because the mean of its divisors is an integer number (39151886565570).

Almost surely, 2^{394228110120938} is an apocalyptic number.

394228110120938 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

394228110120938 is a deficient number, since it is larger than the sum of its proper divisors (232202074928182).

394228110120938 is a wasteful number, since it uses less digits than its factorization.

394228110120938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66079133621.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 394228110120938 in words is "three hundred ninety-four trillion, two hundred twenty-eight billion, one hundred ten million, one hundred twenty thousand, nine hundred thirty-eight".