244404140 has 24 divisors (see below), whose sum is σ = 513557520. Its totient is φ = 97702848.

The previous prime is 244404133. The next prime is 244404151. The reversal of 244404140 is 41404442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48374 + ... + 53186.

It is an arithmetic number, because the mean of its divisors is an integer number (21398230).

Almost surely, 2^244404140 is an apocalyptic number.

244404140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244404140 is an abundant number, since it is smaller than the sum of its proper divisors (269153380).

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

244404140 is a wasteful number, since it uses less digits than its factorization.

244404140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7361 (or 7359 counting only the distinct ones).

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

The square root of 244404140 is about 15633.4302058122. The cubic root of 244404140 is about 625.2247852782.

Adding to 244404140 its reverse (41404442), we get a palindrome (285808582).

The spelling of 244404140 in words is "two hundred forty-four million, four hundred four thousand, one hundred forty".