244464561 has 24 divisors (see below), whose sum is σ = 399488544. Its totient is φ = 148158720.

The previous prime is 244464559. The next prime is 244464569. The reversal of 244464561 is 165464442.

244464561 is a `hidden beast` number, since 2 + 4 + 4 + 4 + 645 + 6 + 1 = 666.

It is not a de Polignac number, because 244464561 - 2¹ = 244464559 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244464569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43056 + ... + 48401.

It is an arithmetic number, because the mean of its divisors is an integer number (16645356).

Almost surely, 2^244464561 is an apocalyptic number.

It is an amenable number.

244464561 is a deficient number, since it is larger than the sum of its proper divisors (155023983).

244464561 is an equidigital number, since it uses as much as digits as its factorization.

244464561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91483 (or 91471 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 244464561 is about 15635.3625157845. The cubic root of 244464561 is about 625.2763032191.

It can be divided in two parts, 244464 and 561, that added together give a square (245025 = 495²).

The spelling of 244464561 in words is "two hundred forty-four million, four hundred sixty-four thousand, five hundred sixty-one".