242140434344 has 8 divisors (see below), whose sum is σ = 454013314410. Its totient is φ = 121070217168.

The previous prime is 242140434317. The next prime is 242140434421. The reversal of 242140434344 is 443434041242.

It can be written as a sum of positive squares in only one way, i.e., 190855396900 + 51285037444 = 436870^2 + 226462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15133777139 + ... + 15133777154.

Almost surely, 2^242140434344 is an apocalyptic number.

It is an amenable number.

242140434344 is a deficient number, since it is larger than the sum of its proper divisors (211872880066).

242140434344 is a wasteful number, since it uses less digits than its factorization.

242140434344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30267554299 (or 30267554295 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 242140434344 its reverse (443434041242), we get a palindrome (685574475586).

The spelling of 242140434344 in words is "two hundred forty-two billion, one hundred forty million, four hundred thirty-four thousand, three hundred forty-four".