4451140 has 12 divisors (see below), whose sum is σ = 9347436. Its totient is φ = 1780448.

The previous prime is 4451129. The next prime is 4451141. The reversal of 4451140 is 411544.

It can be written as a sum of positive squares in 2 ways, for example, as 506944 + 3944196 = 712^2 + 1986^2 .

It is not an unprimeable number, because it can be changed into a prime (4451141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111259 + ... + 111298.

It is an arithmetic number, because the mean of its divisors is an integer number (778953).

Almost surely, 2^4451140 is an apocalyptic number.

It is an amenable number.

4451140 is an abundant number, since it is smaller than the sum of its proper divisors (4896296).

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

4451140 is a wasteful number, since it uses less digits than its factorization.

4451140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222566 (or 222564 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4451140 is about 2109.7724995838. The cubic root of 4451140 is about 164.4966601626.

Adding to 4451140 its reverse (411544), we get a palindrome (4862684).

It can be divided in two parts, 44511 and 40, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 4451140 in words is "four million, four hundred fifty-one thousand, one hundred forty".