43952755012 has 12 divisors (see below), whose sum is σ = 77253206380. Its totient is φ = 21880410336.

The previous prime is 43952754997. The next prime is 43952755019. The reversal of 43952755012 is 21055725934.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42034840576 + 1917914436 = 205024^2 + 43794^2 .

It is a super-2 number, since 2×43952755012² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43952755012.

It is not an unprimeable number, because it can be changed into a prime (43952755019) 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 3 ways as a sum of consecutive naturals, for example, 23990763 + ... + 23992594.

Almost surely, 2^43952755012 is an apocalyptic number.

It is an amenable number.

43952755012 is a deficient number, since it is larger than the sum of its proper divisors (33300451368).

43952755012 is a wasteful number, since it uses less digits than its factorization.

43952755012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47983590 (or 47983588 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 43952755012 in words is "forty-three billion, nine hundred fifty-two million, seven hundred fifty-five thousand, twelve".