4440080 has 20 divisors (see below), whose sum is σ = 10323372. Its totient is φ = 1776000.

The previous prime is 4440071. The next prime is 4440089. The reversal of 4440080 is 800444.

It is an interprime number because it is at equal distance from previous prime (4440071) and next prime (4440089).

It can be written as a sum of positive squares in 2 ways, for example, as 2676496 + 1763584 = 1636^2 + 1328^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27671 + ... + 27830.

Almost surely, 2^4440080 is an apocalyptic number.

4440080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440080 is an abundant number, since it is smaller than the sum of its proper divisors (5883292).

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

4440080 is a wasteful number, since it uses less digits than its factorization.

4440080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55514 (or 55508 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4440080 is about 2107.1497336450. The cubic root of 4440080 is about 164.3603024346.

The spelling of 4440080 in words is "four million, four hundred forty thousand, eighty".