244240042 has 16 divisors (see below), whose sum is σ = 372120840. Its totient is φ = 120206592.

The previous prime is 244240039. The next prime is 244240049. The reversal of 244240042 is 240042442.

It can be written as a sum of positive squares in 4 ways, for example, as 202521361 + 41718681 = 14231^2 + 6459^2 .

It is a junction number, because it is equal to n+sod(n) for n = 244239995 and 244240022.

It is not an unprimeable number, because it can be changed into a prime (244240049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88134 + ... + 90862.

Almost surely, 2^244240042 is an apocalyptic number.

244240042 is a deficient number, since it is larger than the sum of its proper divisors (127880798).

244240042 is a wasteful number, since it uses less digits than its factorization.

244240042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 244240042 is about 15628.1810201955. The cubic root of 244240042 is about 625.0848243272.

Adding to 244240042 its reverse (240042442), we get a palindrome (484282484).

It can be divided in two parts, 2442400 and 42, that added together give a palindrome (2442442).

The spelling of 244240042 in words is "two hundred forty-four million, two hundred forty thousand, forty-two".