440980 has 24 divisors (see below), whose sum is σ = 981288. Its totient is φ = 165888.

The previous prime is 440959. The next prime is 440983. The reversal of 440980 is 89044.

It can be written as a sum of positive squares in 4 ways, for example, as 242064 + 198916 = 492^2 + 446^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440983) by changing a digit.

440980 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309 + ... + 988.

It is an arithmetic number, because the mean of its divisors is an integer number (40887).

2⁴⁴⁰⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

440980 is an abundant number, since it is smaller than the sum of its proper divisors (540308).

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

440980 is a wasteful number, since it uses less digits than its factorization.

440980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 440980 is about 664.0632499996. The cubic root of 440980 is about 76.1154754257.

It can be divided in two parts, 4409 and 80, that added together give a square (4489 = 67²).

The spelling of 440980 in words is "four hundred forty thousand, nine hundred eighty".