244313020440 has 48 divisors (see below), whose sum is σ = 794017317600. Its totient is φ = 65150138688.

The previous prime is 244313020403. The next prime is 244313020507. The reversal of 244313020440 is 44020313442.

It is a happy number.

244313020440 is a `hidden beast` number, since 2 + 443 + 13 + 0 + 204 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339323280 + ... + 339323999.

It is an arithmetic number, because the mean of its divisors is an integer number (16542027450).

Almost surely, 2^244313020440 is an apocalyptic number.

244313020440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244313020440 is an abundant number, since it is smaller than the sum of its proper divisors (549704297160).

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

244313020440 is a wasteful number, since it uses less digits than its factorization.

244313020440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678647296 (or 678647289 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 244313020440 its reverse (44020313442), we get a palindrome (288333333882).

The spelling of 244313020440 in words is "two hundred forty-four billion, three hundred thirteen million, twenty thousand, four hundred forty".