44981244 has 144 divisors (see below), whose sum is σ = 147254016. Its totient is φ = 11664000.

The previous prime is 44981243. The next prime is 44981273. The reversal of 44981244 is 44218944.

It is a super-3 number, since 3×44981244³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 44981199 and 44981208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44981243) 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 47 ways as a sum of consecutive naturals, for example, 74544 + ... + 75144.

Almost surely, 2^44981244 is an apocalyptic number.

44981244 is a gapful number since it is divisible by the number (44) 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 44981244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73627008).

44981244 is an abundant number, since it is smaller than the sum of its proper divisors (102272772).

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

44981244 is a wasteful number, since it uses less digits than its factorization.

44981244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 624 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 44981244 is about 6706.8057970989. The cubic root of 44981244 is about 355.6399064774.

The spelling of 44981244 in words is "forty-four million, nine hundred eighty-one thousand, two hundred forty-four".