440484461 has 2 divisors, whose sum is σ = 440484462. Its totient is φ = 440484460.

The previous prime is 440484449. The next prime is 440484463. The reversal of 440484461 is 164484044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432390436 + 8094025 = 20794^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 440484461 - 2¹⁰ = 440483437 is a prime.

Together with 440484463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440484463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220242230 + 220242231.

It is an arithmetic number, because the mean of its divisors is an integer number (220242231).

Almost surely, 2^440484461 is an apocalyptic number.

It is an amenable number.

440484461 is a deficient number, since it is larger than the sum of its proper divisors (1).

440484461 is an equidigital number, since it uses as much as digits as its factorization.

440484461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 440484461 is about 20987.7216724446. The cubic root of 440484461 is about 760.8695385738.

The spelling of 440484461 in words is "four hundred forty million, four hundred eighty-four thousand, four hundred sixty-one".