43398166038 has 16 divisors (see below), whose sum is σ = 91364560320. Its totient is φ = 13704683976.

The previous prime is 43398166001. The next prime is 43398166043. The reversal of 43398166038 is 83066189334.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 190342720 + ... + 190342947.

It is an arithmetic number, because the mean of its divisors is an integer number (5710285020).

Almost surely, 2^43398166038 is an apocalyptic number.

43398166038 is an abundant number, since it is smaller than the sum of its proper divisors (47966394282).

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

43398166038 is a wasteful number, since it uses less digits than its factorization.

43398166038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380685691.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 43398166038 in words is "forty-three billion, three hundred ninety-eight million, one hundred sixty-six thousand, thirty-eight".