44166573889 has 8 divisors (see below), whose sum is σ = 44596696320. Its totient is φ = 43737860400.

The previous prime is 44166573881. The next prime is 44166573907. The reversal of 44166573889 is 98837566144.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44166573889 - 2³ = 44166573881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44166573881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289182 + ... + 414679.

It is an arithmetic number, because the mean of its divisors is an integer number (5574587040).

Almost surely, 2^44166573889 is an apocalyptic number.

It is an amenable number.

44166573889 is a deficient number, since it is larger than the sum of its proper divisors (430122431).

44166573889 is a wasteful number, since it uses less digits than its factorization.

44166573889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704471.

The product of its digits is 34836480, while the sum is 61.

The spelling of 44166573889 in words is "forty-four billion, one hundred sixty-six million, five hundred seventy-three thousand, eight hundred eighty-nine".