43821078344 has 8 divisors (see below), whose sum is σ = 82164521910. Its totient is φ = 21910539168.

The previous prime is 43821078331. The next prime is 43821078361. The reversal of 43821078344 is 44387012834.

It can be written as a sum of positive squares in only one way, i.e., 31844402500 + 11976675844 = 178450^2 + 109438^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 43821078295 and 43821078304.

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 as a sum of consecutive naturals, namely, 2738817389 + ... + 2738817404.

Almost surely, 2^43821078344 is an apocalyptic number.

It is an amenable number.

43821078344 is a deficient number, since it is larger than the sum of its proper divisors (38343443566).

43821078344 is a wasteful number, since it uses less digits than its factorization.

43821078344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477634799 (or 5477634795 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 43821078344 in words is "forty-three billion, eight hundred twenty-one million, seventy-eight thousand, three hundred forty-four".