43120044138 has 8 divisors (see below), whose sum is σ = 86240088288. Its totient is φ = 14373348044.

The previous prime is 43120044137. The next prime is 43120044139. The reversal of 43120044138 is 83144002134.

It is an interprime number because it is at equal distance from previous prime (43120044137) and next prime (43120044139).

It is a sphenic number, since it is the product of 3 distinct primes.

43120044138 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (43120044137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3593337006 + ... + 3593337017.

It is an arithmetic number, because the mean of its divisors is an integer number (10780011036).

Almost surely, 2^43120044138 is an apocalyptic number.

43120044138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43120044138 is a wasteful number, since it uses less digits than its factorization.

43120044138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186674028.

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 43120044138 in words is "forty-three billion, one hundred twenty million, forty-four thousand, one hundred thirty-eight".