43909968560 has 40 divisors (see below), whose sum is σ = 102110007696. Its totient is φ = 17560661760.

The previous prime is 43909968551. The next prime is 43909968577. The reversal of 43909968560 is 6586990934.

43909968560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 43909968560.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397307 + ... + 495653.

Almost surely, 2^43909968560 is an apocalyptic number.

43909968560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43909968560 is an abundant number, since it is smaller than the sum of its proper divisors (58200039136).

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

43909968560 is a wasteful number, since it uses less digits than its factorization.

43909968560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103941 (or 103935 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 59.

The spelling of 43909968560 in words is "forty-three billion, nine hundred nine million, nine hundred sixty-eight thousand, five hundred sixty".