242700644 has 12 divisors (see below), whose sum is σ = 426951168. Its totient is φ = 120714600.

The previous prime is 242700631. The next prime is 242700673. The reversal of 242700644 is 446007242.

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, 158072 + ... + 159599.

It is an arithmetic number, because the mean of its divisors is an integer number (35579264).

Almost surely, 2^242700644 is an apocalyptic number.

It is an amenable number.

242700644 is a deficient number, since it is larger than the sum of its proper divisors (184250524).

242700644 is a wasteful number, since it uses less digits than its factorization.

242700644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317866 (or 317864 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 242700644 is about 15578.8524609485. The cubic root of 242700644 is about 623.7687924105.

Adding to 242700644 its reverse (446007242), we get a palindrome (688707886).

The spelling of 242700644 in words is "two hundred forty-two million, seven hundred thousand, six hundred forty-four".