43340684944 has 20 divisors (see below), whose sum is σ = 83977711020. Its totient is φ = 21669017600.

The previous prime is 43340684921. The next prime is 43340684987. The reversal of 43340684944 is 44948604334.

It can be written as a sum of positive squares in 2 ways, for example, as 31265312400 + 12075372544 = 176820^2 + 109888^2 .

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 3 ways as a sum of consecutive naturals, for example, 220812 + ... + 368020.

It is an arithmetic number, because the mean of its divisors is an integer number (4198885551).

Almost surely, 2^43340684944 is an apocalyptic number.

It is an amenable number.

43340684944 is a deficient number, since it is larger than the sum of its proper divisors (40637026076).

43340684944 is a wasteful number, since it uses less digits than its factorization.

43340684944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165618 (or 165612 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 49.

The spelling of 43340684944 in words is "forty-three billion, three hundred forty million, six hundred eighty-four thousand, nine hundred forty-four".