440966089 has 2 divisors, whose sum is σ = 440966090. Its totient is φ = 440966088.

The previous prime is 440966039. The next prime is 440966107. The reversal of 440966089 is 980669044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252810000 + 188156089 = 15900^2 + 13717^2 .

It is a cyclic number.

It is not a de Polignac number, because 440966089 - 2¹⁹ = 440441801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (440966039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220483044 + 220483045.

It is an arithmetic number, because the mean of its divisors is an integer number (220483045).

Almost surely, 2^440966089 is an apocalyptic number.

It is an amenable number.

440966089 is a deficient number, since it is larger than the sum of its proper divisors (1).

440966089 is an equidigital number, since it uses as much as digits as its factorization.

440966089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 440966089 is about 20999.1925797160. The cubic root of 440966089 is about 761.1467504666.

The spelling of 440966089 in words is "four hundred forty million, nine hundred sixty-six thousand, eighty-nine".