244481885 has 4 divisors (see below), whose sum is σ = 293378268. Its totient is φ = 195585504.

The previous prime is 244481863. The next prime is 244481929. The reversal of 244481885 is 588184442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66552964 + 177928921 = 8158^2 + 13339^2 .

It is a cyclic number.

It is not a de Polignac number, because 244481885 - 2¹² = 244477789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24448184 + ... + 24448193.

It is an arithmetic number, because the mean of its divisors is an integer number (73344567).

Almost surely, 2^244481885 is an apocalyptic number.

It is an amenable number.

244481885 is a deficient number, since it is larger than the sum of its proper divisors (48896383).

244481885 is an equidigital number, since it uses as much as digits as its factorization.

244481885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48896382.

The product of its digits is 327680, while the sum is 44.

The square root of 244481885 is about 15635.9165065563. The cubic root of 244481885 is about 625.2910729547.

The spelling of 244481885 in words is "two hundred forty-four million, four hundred eighty-one thousand, eight hundred eighty-five".