44289648 has 120 divisors (see below), whose sum is σ = 136085040. Its totient is φ = 13363200.

The previous prime is 44289593. The next prime is 44289649. The reversal of 44289648 is 84698244.

44289648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44289649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110248 + ... + 110648.

It is an arithmetic number, because the mean of its divisors is an integer number (1134042).

Almost surely, 2^44289648 is an apocalyptic number.

44289648 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 44289648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68042520).

44289648 is an abundant number, since it is smaller than the sum of its proper divisors (91795392).

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

44289648 is a wasteful number, since it uses less digits than its factorization.

44289648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 478 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 44289648 is about 6655.0468067475. The cubic root of 44289648 is about 353.8078052765.

The spelling of 44289648 in words is "forty-four million, two hundred eighty-nine thousand, six hundred forty-eight".