44649388 has 36 divisors (see below), whose sum is σ = 91785960. Its totient is φ = 18947712.

The previous prime is 44649379. The next prime is 44649401. The reversal of 44649388 is 88394644.

It is a happy number.

44649388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 19908 + ... + 22036.

It is an arithmetic number, because the mean of its divisors is an integer number (2549610).

Almost surely, 2^44649388 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 44649388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45892980).

44649388 is an abundant number, since it is smaller than the sum of its proper divisors (47136572).

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

44649388 is a wasteful number, since it uses less digits than its factorization.

44649388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254 (or 2245 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The square root of 44649388 is about 6682.0197545353. The cubic root of 44649388 is about 354.7631508813.

The spelling of 44649388 in words is "forty-four million, six hundred forty-nine thousand, three hundred eighty-eight".