4481040 has 40 divisors (see below), whose sum is σ = 13891968. Its totient is φ = 1194880.

The previous prime is 4481003. The next prime is 4481041. The reversal of 4481040 is 401844.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 4480998 and 4481016.

It is not an unprimeable number, because it can be changed into a prime (4481041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9096 + ... + 9575.

Almost surely, 2^4481040 is an apocalyptic number.

4481040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4481040 is an abundant number, since it is smaller than the sum of its proper divisors (9410928).

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

4481040 is a wasteful number, since it uses less digits than its factorization.

4481040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18687 (or 18681 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4481040 is about 2116.8467115027. The cubic root of 4481040 is about 164.8641673646.

Adding to 4481040 its reverse (401844), we get a palindrome (4882884).

It can be divided in two parts, 44810 and 40, that added together give a triangular number (44850 = T₂₉₉).

The spelling of 4481040 in words is "four million, four hundred eighty-one thousand, forty".