244645655244 has 12 divisors (see below), whose sum is σ = 570839862264. Its totient is φ = 81548551744.

The previous prime is 244645655239. The next prime is 244645655257. The reversal of 244645655244 is 442556546442.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×244645655244² (a number of 24 digits) contains 22 as substring.

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, 10193568957 + ... + 10193568980.

It is an arithmetic number, because the mean of its divisors is an integer number (47569988522).

Almost surely, 2^244645655244 is an apocalyptic number.

It is an amenable number.

244645655244 is an abundant number, since it is smaller than the sum of its proper divisors (326194207020).

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

244645655244 is a wasteful number, since it uses less digits than its factorization.

244645655244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20387137944 (or 20387137942 counting only the distinct ones).

The product of its digits is 18432000, while the sum is 51.

The spelling of 244645655244 in words is "two hundred forty-four billion, six hundred forty-five million, six hundred fifty-five thousand, two hundred forty-four".