244648881 has 12 divisors (see below), whose sum is σ = 353829060. Its totient is φ = 162892800.

The previous prime is 244648879. The next prime is 244648903. The reversal of 244648881 is 188846442.

244648881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 89870400 + 154778481 = 9480^2 + 12441^2 .

It is not a de Polignac number, because 244648881 - 2¹ = 244648879 is a prime.

It is a super-2 number, since 2×244648881² = 119706149949104322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244648081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9520 + ... + 24081.

It is an arithmetic number, because the mean of its divisors is an integer number (29485755).

Almost surely, 2^244648881 is an apocalyptic number.

It is an amenable number.

244648881 is a deficient number, since it is larger than the sum of its proper divisors (109180179).

244648881 is a wasteful number, since it uses less digits than its factorization.

244648881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34416 (or 34413 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 244648881 is about 15641.2557360335. The cubic root of 244648881 is about 625.4334111648.

The spelling of 244648881 in words is "two hundred forty-four million, six hundred forty-eight thousand, eight hundred eighty-one".