43906941968 has 10 divisors (see below), whose sum is σ = 85069700094. Its totient is φ = 21953470976.

The previous prime is 43906941961. The next prime is 43906941979. The reversal of 43906941968 is 86914960934.

It can be written as a sum of positive squares in only one way, i.e., 35801180944 + 8105761024 = 189212^2 + 90032^2 .

It is not an unprimeable number, because it can be changed into a prime (43906941961) 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 as a sum of consecutive naturals, namely, 1372091921 + ... + 1372091952.

Almost surely, 2^43906941968 is an apocalyptic number.

It is an amenable number.

43906941968 is a deficient number, since it is larger than the sum of its proper divisors (41162758126).

43906941968 is a wasteful number, since it uses less digits than its factorization.

43906941968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744183881 (or 2744183875 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 59.

The spelling of 43906941968 in words is "forty-three billion, nine hundred six million, nine hundred forty-one thousand, nine hundred sixty-eight".