244440140 has 48 divisors (see below), whose sum is σ = 588000000. Its totient is φ = 83616192.

The previous prime is 244440139. The next prime is 244440151. The reversal of 244440140 is 41044442.

244440140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68111 + ... + 71609.

It is an arithmetic number, because the mean of its divisors is an integer number (12250000).

Almost surely, 2^244440140 is an apocalyptic number.

244440140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244440140 is an abundant number, since it is smaller than the sum of its proper divisors (343559860).

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

244440140 is a wasteful number, since it uses less digits than its factorization.

244440140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014 (or 4012 counting only the distinct ones).

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

The square root of 244440140 is about 15634.5815422096. The cubic root of 244440140 is about 625.2554816857.

Adding to 244440140 its reverse (41044442), we get a palindrome (285484582).

The spelling of 244440140 in words is "two hundred forty-four million, four hundred forty thousand, one hundred forty".