44861440 has 96 divisors (see below), whose sum is σ = 116265240. Its totient is φ = 16515072.

The previous prime is 44861437. The next prime is 44861441. The reversal of 44861440 is 4416844.

It can be written as a sum of positive squares in 4 ways, for example, as 22733824 + 22127616 = 4768^2 + 4704^2 .

It is not an unprimeable number, because it can be changed into a prime (44861441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132952 + ... + 133288.

Almost surely, 2^44861440 is an apocalyptic number.

44861440 is a gapful number since it is divisible by the number (40) 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 44861440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58132620).

44861440 is an abundant number, since it is smaller than the sum of its proper divisors (71403800).

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

44861440 is a wasteful number, since it uses less digits than its factorization.

44861440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 44861440 is about 6697.8683176067. The cubic root of 44861440 is about 355.3238861209.

The spelling of 44861440 in words is "forty-four million, eight hundred sixty-one thousand, four hundred forty".