244628864 has 16 divisors (see below), whose sum is σ = 487346820. Its totient is φ = 122314368.

The previous prime is 244628831. The next prime is 244628873. The reversal of 244628864 is 468826442.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×244628864² = 119686562203860992, which contains 22 as substring.

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, 955454 + ... + 955709.

Almost surely, 2^244628864 is an apocalyptic number.

It is an amenable number.

244628864 is a deficient number, since it is larger than the sum of its proper divisors (242717956).

244628864 is an equidigital number, since it uses as much as digits as its factorization.

244628864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911177 (or 1911165 counting only the distinct ones).

The product of its digits is 589824, while the sum is 44.

The square root of 244628864 is about 15640.6158446527. The cubic root of 244628864 is about 625.4163531918.

The spelling of 244628864 in words is "two hundred forty-four million, six hundred twenty-eight thousand, eight hundred sixty-four".