43868744720 has 40 divisors (see below), whose sum is σ = 102728633280. Its totient is φ = 17421252480.

The previous prime is 43868744683. The next prime is 43868744723. The reversal of 43868744720 is 2744786834.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (43868744723) 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 7 ways as a sum of consecutive naturals, for example, 1961396 + ... + 1983635.

It is an arithmetic number, because the mean of its divisors is an integer number (2568215832).

Almost surely, 2^43868744720 is an apocalyptic number.

43868744720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43868744720 is an abundant number, since it is smaller than the sum of its proper divisors (58859888560).

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

43868744720 is a wasteful number, since it uses less digits than its factorization.

43868744720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945183 (or 3945177 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 53.

The spelling of 43868744720 in words is "forty-three billion, eight hundred sixty-eight million, seven hundred forty-four thousand, seven hundred twenty".