244240140 has 24 divisors (see below), whose sum is σ = 683872560. Its totient is φ = 65130688.

The previous prime is 244240127. The next prime is 244240141. The reversal of 244240140 is 41042442.

It is not an unprimeable number, because it can be changed into a prime (244240141) 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, 2035275 + ... + 2035394.

It is an arithmetic number, because the mean of its divisors is an integer number (28494690).

Almost surely, 2^244240140 is an apocalyptic number.

244240140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244240140 is an abundant number, since it is smaller than the sum of its proper divisors (439632420).

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

244240140 is a wasteful number, since it uses less digits than its factorization.

244240140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070681 (or 4070679 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 244240140 is about 15628.1841555569. The cubic root of 244240140 is about 625.0849079312.

Adding to 244240140 its reverse (41042442), we get a palindrome (285282582).

The spelling of 244240140 in words is "two hundred forty-four million, two hundred forty thousand, one hundred forty".