4430040 has 128 divisors (see below), whose sum is σ = 14688000. Its totient is φ = 1064448.

The previous prime is 4430039. The next prime is 4430051. The reversal of 4430040 is 400344.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66087 + ... + 66153.

It is an arithmetic number, because the mean of its divisors is an integer number (114750).

Almost surely, 2^4430040 is an apocalyptic number.

4430040 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 4430040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7344000).

4430040 is an abundant number, since it is smaller than the sum of its proper divisors (10257960).

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

4430040 is a wasteful number, since it uses less digits than its factorization.

4430040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4430040 is about 2104.7660202502. The cubic root of 4430040 is about 164.2363239773.

Adding to 4430040 its reverse (400344), we get a palindrome (4830384).

The spelling of 4430040 in words is "four million, four hundred thirty thousand, forty".