480440861 has 2 divisors, whose sum is σ = 480440862. Its totient is φ = 480440860.

The previous prime is 480440839. The next prime is 480440867. The reversal of 480440861 is 168044084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470239225 + 10201636 = 21685^2 + 3194^2 .

It is a cyclic number.

It is not a de Polignac number, because 480440861 - 2¹⁰ = 480439837 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (480440867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240220430 + 240220431.

It is an arithmetic number, because the mean of its divisors is an integer number (240220431).

Almost surely, 2^480440861 is an apocalyptic number.

It is an amenable number.

480440861 is a deficient number, since it is larger than the sum of its proper divisors (1).

480440861 is an equidigital number, since it uses as much as digits as its factorization.

480440861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 480440861 is about 21918.9612208243. The cubic root of 480440861 is about 783.2131649475.

The spelling of 480440861 in words is "four hundred eighty million, four hundred forty thousand, eight hundred sixty-one".