43244987668 has 24 divisors (see below), whose sum is σ = 80549973504. Its totient is φ = 20244028800.

The previous prime is 43244987629. The next prime is 43244987701. The reversal of 43244987668 is 86678944234.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1651818 + ... + 1677793.

It is an arithmetic number, because the mean of its divisors is an integer number (3356248896).

Almost surely, 2^43244987668 is an apocalyptic number.

It is an amenable number.

43244987668 is a deficient number, since it is larger than the sum of its proper divisors (37304985836).

43244987668 is a wasteful number, since it uses less digits than its factorization.

43244987668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329823 (or 3329821 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 61.

The spelling of 43244987668 in words is "forty-three billion, two hundred forty-four million, nine hundred eighty-seven thousand, six hundred sixty-eight".