4401040 has 80 divisors (see below), whose sum is σ = 12142080. Its totient is φ = 1451520.

The previous prime is 4400993. The next prime is 4401043. The reversal of 4401040 is 401044.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 4401040.

It is not an unprimeable number, because it can be changed into a prime (4401043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16105 + ... + 16375.

It is an arithmetic number, because the mean of its divisors is an integer number (151776).

Almost surely, 2^4401040 is an apocalyptic number.

4401040 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 4401040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6071040).

4401040 is an abundant number, since it is smaller than the sum of its proper divisors (7741040).

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

4401040 is a wasteful number, since it uses less digits than its factorization.

4401040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 4401040 is about 2097.8655819666. The cubic root of 4401040 is about 163.8771636201.

Adding to 4401040 its reverse (401044), we get a palindrome (4802084).

The spelling of 4401040 in words is "four million, four hundred one thousand, forty".