4413440 has 48 divisors (see below), whose sum is σ = 10614240. Its totient is φ = 1761280.

The previous prime is 4413419. The next prime is 4413443. The reversal of 4413440 is 443144.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4413443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10025 + ... + 10455.

It is an arithmetic number, because the mean of its divisors is an integer number (221130).

Almost surely, 2^4413440 is an apocalyptic number.

4413440 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 4413440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5307120).

4413440 is an abundant number, since it is smaller than the sum of its proper divisors (6200800).

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

4413440 is an equidigital number, since it uses as much as digits as its factorization.

4413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4413440 is about 2100.8188879577. The cubic root of 4413440 is about 164.0309281349.

Adding to 4413440 its reverse (443144), we get a palindrome (4856584).

The spelling of 4413440 in words is "four million, four hundred thirteen thousand, four hundred forty".