44988689808 has 120 divisors (see below), whose sum is σ = 126680954400. Its totient is φ = 14904192000.

The previous prime is 44988689807. The next prime is 44988689813. The reversal of 44988689808 is 80898688944.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (44988689807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21432343 + ... + 21434441.

It is an arithmetic number, because the mean of its divisors is an integer number (1055674620).

Almost surely, 2^44988689808 is an apocalyptic number.

44988689808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44988689808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63340477200).

44988689808 is an abundant number, since it is smaller than the sum of its proper divisors (81692264592).

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

44988689808 is a wasteful number, since it uses less digits than its factorization.

44988689808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957 (or 2948 counting only the distinct ones).

The product of its (nonzero) digits is 254803968, while the sum is 72.

The spelling of 44988689808 in words is "forty-four billion, nine hundred eighty-eight million, six hundred eighty-nine thousand, eight hundred eight".