244768864 has 24 divisors (see below), whose sum is σ = 482282640. Its totient is φ = 122284416.

The previous prime is 244768859. The next prime is 244768883. The reversal of 244768864 is 468867442.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51117 + ... + 55699.

It is an arithmetic number, because the mean of its divisors is an integer number (20095110).

Almost surely, 2^244768864 is an apocalyptic number.

It is an amenable number.

244768864 is a deficient number, since it is larger than the sum of its proper divisors (237513776).

244768864 is a wasteful number, since it uses less digits than its factorization.

244768864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262 (or 6254 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 49.

The square root of 244768864 is about 15645.0907316001. The cubic root of 244768864 is about 625.5356380958.

The spelling of 244768864 in words is "two hundred forty-four million, seven hundred sixty-eight thousand, eight hundred sixty-four".