44386089540 has 192 divisors, whose sum is σ = 144167288832. Its totient is φ = 10113523200.

The previous prime is 44386089521. The next prime is 44386089547. The reversal of 44386089540 is 4598068344.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (44386089547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 516235 + ... + 596045.

It is an arithmetic number, because the mean of its divisors is an integer number (750871296).

Almost surely, 2^44386089540 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 44386089540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72083644416).

44386089540 is an abundant number, since it is smaller than the sum of its proper divisors (99781199292).

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

44386089540 is a wasteful number, since it uses less digits than its factorization.

44386089540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79890 (or 79888 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 44386089540 in words is "forty-four billion, three hundred eighty-six million, eighty-nine thousand, five hundred forty".