44840 has 32 divisors (see below), whose sum is σ = 108000. Its totient is φ = 16704.

The previous prime is 44839. The next prime is 44843. The reversal of 44840 is 4844.

44840 is nontrivially palindromic in base 3.

44840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a plaindrome in base 14.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (44843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731 + ... + 789.

It is an arithmetic number, because the mean of its divisors is an integer number (3375).

2⁴⁴⁸⁴⁰ is an apocalyptic number.

44840 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 44840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54000).

44840 is an abundant number, since it is smaller than the sum of its proper divisors (63160).

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

44840 is a wasteful number, since it uses less digits than its factorization.

44840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 44840 is about 211.7545749211. The cubic root of 44840 is about 35.5267272111.

The spelling of 44840 in words is "forty-four thousand, eight hundred forty".