441800660 has 36 divisors (see below), whose sum is σ = 1079258292. Its totient is φ = 151474176.

The previous prime is 441800657. The next prime is 441800663. The reversal of 441800660 is 66008144.

It is an interprime number because it is at equal distance from previous prime (441800657) and next prime (441800663).

It can be written as a sum of positive squares in 2 ways, for example, as 340476304 + 101324356 = 18452^2 + 10066^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441800663) 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, 224429 + ... + 226388.

It is an arithmetic number, because the mean of its divisors is an integer number (29979397).

Almost surely, 2^441800660 is an apocalyptic number.

It is an amenable number.

441800660 is an abundant number, since it is smaller than the sum of its proper divisors (637457632).

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

441800660 is a wasteful number, since it uses less digits than its factorization.

441800660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450840 (or 450831 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 441800660 is about 21019.0546885439. The cubic root of 441800660 is about 761.6266291511.

The spelling of 441800660 in words is "four hundred forty-one million, eight hundred thousand, six hundred sixty".