244245800644 has 12 divisors (see below), whose sum is σ = 427525527184. Its totient is φ = 122095650024.

The previous prime is 244245800639. The next prime is 244245800677. The reversal of 244245800644 is 446008542442.

It is a super-2 number, since 2×244245800644² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 244245800644.

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, 6792402 + ... + 6828265.

Almost surely, 2^244245800644 is an apocalyptic number.

It is an amenable number.

244245800644 is a deficient number, since it is larger than the sum of its proper divisors (183279726540).

244245800644 is a wasteful number, since it uses less digits than its factorization.

244245800644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13625154 (or 13625152 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 43.

The spelling of 244245800644 in words is "two hundred forty-four billion, two hundred forty-five million, eight hundred thousand, six hundred forty-four".