441126009 has 9 divisors (see below), whose sum is σ = 637273039. Its totient is φ = 294042000.

The previous prime is 441125999. The next prime is 441126019. The reversal of 441126009 is 900621144.

The square root of 441126009 is 21003.

It is a perfect power (a square), and thus also a powerful number.

441126009 is a `hidden beast` number, since 4 + 41 + 12 + 600 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (441125999) and next prime (441126019).

It can be written as a sum of positive squares in only one way, i.e., 186404409 + 254721600 = 13653^2 + 15960^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 441126009 - 2⁵ = 441125977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441126019) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 59509 + ... + 66509.

Almost surely, 2^441126009 is an apocalyptic number.

441126009 is the 21003-rd square number.

441126009 is the 10502-nd centered octagonal number.

It is an amenable number.

441126009 is a deficient number, since it is larger than the sum of its proper divisors (196147030).

441126009 is an frugal number, since it uses more digits than its factorization.

441126009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14008 (or 7004 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The cubic root of 441126009 is about 761.2387514010.

The spelling of 441126009 in words is "four hundred forty-one million, one hundred twenty-six thousand, nine".