242663504644 has 12 divisors (see below), whose sum is σ = 463266690768. Its totient is φ = 110301593000.

The previous prime is 242663504557. The next prime is 242663504683. The reversal of 242663504644 is 446405366242.

It is a super-2 number, since 2×242663504644² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242663504594 and 242663504603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2757539782 + ... + 2757539869.

It is an arithmetic number, because the mean of its divisors is an integer number (38605557564).

Almost surely, 2^242663504644 is an apocalyptic number.

It is an amenable number.

242663504644 is a deficient number, since it is larger than the sum of its proper divisors (220603186124).

242663504644 is a wasteful number, since it uses less digits than its factorization.

242663504644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515079666 (or 5515079664 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 46.

The spelling of 242663504644 in words is "two hundred forty-two billion, six hundred sixty-three million, five hundred four thousand, six hundred forty-four".