4430140 has 48 divisors (see below), whose sum is σ = 10936800. Its totient is φ = 1486080.

The previous prime is 4430137. The next prime is 4430143. The reversal of 4430140 is 410344.

It is an interprime number because it is at equal distance from previous prime (4430137) and next prime (4430143).

It is a super-2 number, since 2×4430140² = 39252280839200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430143) 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 15 ways as a sum of consecutive naturals, for example, 2086 + ... + 3634.

It is an arithmetic number, because the mean of its divisors is an integer number (227850).

Almost surely, 2^4430140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4430140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5468400).

4430140 is an abundant number, since it is smaller than the sum of its proper divisors (6506660).

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

4430140 is a wasteful number, since it uses less digits than its factorization.

4430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582 (or 1580 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4430140 is about 2104.7897757258. The cubic root of 4430140 is about 164.2375597456.

Adding to 4430140 its reverse (410344), we get a palindrome (4840484).

The spelling of 4430140 in words is "four million, four hundred thirty thousand, one hundred forty".