244122440 has 32 divisors (see below), whose sum is σ = 552788280. Its totient is φ = 97024512.

The previous prime is 244122433. The next prime is 244122451. The reversal of 244122440 is 44221442.

It can be written as a sum of positive squares in 4 ways, for example, as 232684516 + 11437924 = 15254^2 + 3382^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13157 + ... + 25716.

Almost surely, 2^244122440 is an apocalyptic number.

244122440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244122440 is an abundant number, since it is smaller than the sum of its proper divisors (308665840).

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

244122440 is a wasteful number, since it uses less digits than its factorization.

244122440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39041 (or 39037 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 244122440 is about 15624.4180691634. The cubic root of 244122440 is about 624.9844817480.

Adding to 244122440 its reverse (44221442), we get a palindrome (288343882).

The spelling of 244122440 in words is "two hundred forty-four million, one hundred twenty-two thousand, four hundred forty".