244012864 has 14 divisors (see below), whose sum is σ = 484213154. Its totient is φ = 122006400.

The previous prime is 244012843. The next prime is 244012889. The reversal of 244012864 is 468210442.

It can be written as a sum of positive squares in only one way, i.e., 243360000 + 652864 = 15600^2 + 808^2 .

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 as a sum of consecutive naturals, namely, 1906287 + ... + 1906414.

Almost surely, 2^244012864 is an apocalyptic number.

It is an amenable number.

244012864 is a deficient number, since it is larger than the sum of its proper divisors (240200290).

244012864 is an equidigital number, since it uses as much as digits as its factorization.

244012864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812713 (or 3812703 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 244012864 is about 15620.9111129921. The cubic root of 244012864 is about 624.8909582569.

The spelling of 244012864 in words is "two hundred forty-four million, twelve thousand, eight hundred sixty-four".