244508240 has 20 divisors (see below), whose sum is σ = 568481844. Its totient is φ = 97803264.

The previous prime is 244508227. The next prime is 244508249. The reversal of 244508240 is 42805442.

It can be written as a sum of positive squares in 2 ways, for example, as 36917776 + 207590464 = 6076^2 + 14408^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244508249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528097 + ... + 1528256.

Almost surely, 2^244508240 is an apocalyptic number.

244508240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244508240 is an abundant number, since it is smaller than the sum of its proper divisors (323973604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244508240 is a wasteful number, since it uses less digits than its factorization.

244508240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056366 (or 3056360 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 244508240 is about 15636.7592550375. The cubic root of 244508240 is about 625.3135408145.

The spelling of 244508240 in words is "two hundred forty-four million, five hundred eight thousand, two hundred forty".