38388385194 has 32 divisors (see below), whose sum is σ = 81164566080. Its totient is φ = 12070611072.

The previous prime is 38388385193. The next prime is 38388385201. The reversal of 38388385194 is 49158388383.

It is not an unprimeable number, because it can be changed into a prime (38388385193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696057 + ... + 749180.

It is an arithmetic number, because the mean of its divisors is an integer number (2536392690).

Almost surely, 2^38388385194 is an apocalyptic number.

38388385194 is an abundant number, since it is smaller than the sum of its proper divisors (42776180886).

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

38388385194 is a wasteful number, since it uses less digits than its factorization.

38388385194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445494.

The product of its digits is 19906560, while the sum is 60.

The spelling of 38388385194 in words is "thirty-eight billion, three hundred eighty-eight million, three hundred eighty-five thousand, one hundred ninety-four".