4439040 has 132 divisors (see below), whose sum is σ = 15082296. Its totient is φ = 1114112.

The previous prime is 4439033. The next prime is 4439047. The reversal of 4439040 is 409344.

It is an interprime number because it is at equal distance from previous prime (4439033) and next prime (4439047).

It is a super-2 number, since 2×4439040² = 39410152243200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4439040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4439047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261112 + ... + 261128.

Almost surely, 2^4439040 is an apocalyptic number.

4439040 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 4439040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7541148).

4439040 is an abundant number, since it is smaller than the sum of its proper divisors (10643256).

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

4439040 is a wasteful number, since it uses less digits than its factorization.

4439040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4439040 is about 2106.9029403368. The cubic root of 4439040 is about 164.3474687273.

The spelling of 4439040 in words is "four million, four hundred thirty-nine thousand, forty".