44844440 has 64 divisors (see below), whose sum is σ = 106120800. Its totient is φ = 17031168.

The previous prime is 44844403. The next prime is 44844461. The reversal of 44844440 is 4444844.

It is a super-2 number, since 2×44844440² = 4022047597827200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44844397 and 44844406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77432 + ... + 78008.

Almost surely, 2^44844440 is an apocalyptic number.

44844440 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 44844440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53060400).

44844440 is an abundant number, since it is smaller than the sum of its proper divisors (61276360).

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

44844440 is a wasteful number, since it uses less digits than its factorization.

44844440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The square root of 44844440 is about 6696.5991368754. The cubic root of 44844440 is about 355.2789977622.

The spelling of 44844440 in words is "forty-four million, eight hundred forty-four thousand, four hundred forty".