44428231188 has 384 divisors, whose sum is σ = 142132838400. Its totient is φ = 11834726400.

The previous prime is 44428231163. The next prime is 44428231207. The reversal of 44428231188 is 88113282444.

44428231188 is a `hidden beast` number, since 4 + 442 + 8 + 23 + 1 + 188 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18154981 + ... + 18157427.

It is an arithmetic number, because the mean of its divisors is an integer number (370137600).

Almost surely, 2^44428231188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44428231188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71066419200).

44428231188 is an abundant number, since it is smaller than the sum of its proper divisors (97704607212).

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

44428231188 is a wasteful number, since it uses less digits than its factorization.

44428231188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548 (or 2540 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The spelling of 44428231188 in words is "forty-four billion, four hundred twenty-eight million, two hundred thirty-one thousand, one hundred eighty-eight".