4138408194 has 32 divisors (see below), whose sum is σ = 8383675776. Its totient is φ = 1361733120.

The previous prime is 4138408189. The next prime is 4138408201. The reversal of 4138408194 is 4918048314.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222099 + ... + 240009.

It is an arithmetic number, because the mean of its divisors is an integer number (261989868).

Almost surely, 2^4138408194 is an apocalyptic number.

4138408194 is an abundant number, since it is smaller than the sum of its proper divisors (4245267582).

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

4138408194 is a wasteful number, since it uses less digits than its factorization.

4138408194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18410.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 4138408194 is about 64330.4608564248. The cubic root of 4138408194 is about 1605.5029520116.

The spelling of 4138408194 in words is "four billion, one hundred thirty-eight million, four hundred eight thousand, one hundred ninety-four".