44688888889 has 4 divisors (see below), whose sum is σ = 44689325940. Its totient is φ = 44688451840.

The previous prime is 44688888857. The next prime is 44688888911. The reversal of 44688888889 is 98888888644.

44688888889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 35916693289 + 8772195600 = 189517^2 + 93660^2 .

It is a cyclic number.

It is not a de Polignac number, because 44688888889 - 2⁵ = 44688888857 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (44688888809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26229 + ... + 300109.

It is an arithmetic number, because the mean of its divisors is an integer number (11172331485).

Almost surely, 2^44688888889 is an apocalyptic number.

It is an amenable number.

44688888889 is a deficient number, since it is larger than the sum of its proper divisors (437051).

44688888889 is a wasteful number, since it uses less digits than its factorization.

44688888889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437050.

The product of its digits is 1811939328, while the sum is 79.

The spelling of 44688888889 in words is "forty-four billion, six hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-nine".