43984952128 has 56 divisors (see below), whose sum is σ = 95320713600. Its totient is φ = 20014794240.

The previous prime is 43984952119. The next prime is 43984952153. The reversal of 43984952128 is 82125948934.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 313228 + ... + 431371.

It is an arithmetic number, because the mean of its divisors is an integer number (1702155600).

Almost surely, 2^43984952128 is an apocalyptic number.

It is an amenable number.

43984952128 is an abundant number, since it is smaller than the sum of its proper divisors (51335761472).

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

43984952128 is a wasteful number, since it uses less digits than its factorization.

43984952128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744695 (or 744685 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 55.

It can be divided in two parts, 4398 and 4952128, that added together give a triangular number (4956526 = T₃₁₄₈).

The spelling of 43984952128 in words is "forty-three billion, nine hundred eighty-four million, nine hundred fifty-two thousand, one hundred twenty-eight".