244960640 has 32 divisors (see below), whose sum is σ = 585610560. Its totient is φ = 97984000.

The previous prime is 244960631. The next prime is 244960669. The reversal of 244960640 is 46069442.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 244960640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190736 + ... + 192015.

It is an arithmetic number, because the mean of its divisors is an integer number (18300330).

Almost surely, 2^244960640 is an apocalyptic number.

244960640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244960640 is an abundant number, since it is smaller than the sum of its proper divisors (340649920).

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

244960640 is an equidigital number, since it uses as much as digits as its factorization.

244960640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382770 (or 382758 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 244960640 is about 15651.2184829169. The cubic root of 244960640 is about 625.6989641605.

The spelling of 244960640 in words is "two hundred forty-four million, nine hundred sixty thousand, six hundred forty".