43956956994 has 16 divisors (see below), whose sum is σ = 87916115232. Its totient is φ = 14651952128.

The previous prime is 43956956993. The next prime is 43956957013. The reversal of 43956956994 is 49965965934.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (43956956993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290242 + ... + 414914.

It is an arithmetic number, because the mean of its divisors is an integer number (5494757202).

Almost surely, 2^43956956994 is an apocalyptic number.

43956956994 is an abundant number, since it is smaller than the sum of its proper divisors (43959158238).

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

43956956994 is a wasteful number, since it uses less digits than its factorization.

43956956994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183441.

The product of its digits is 283435200, while the sum is 69.

The spelling of 43956956994 in words is "forty-three billion, nine hundred fifty-six million, nine hundred fifty-six thousand, nine hundred ninety-four".