242140263633 has 6 divisors (see below), whose sum is σ = 349758158594. Its totient is φ = 161426842416.

The previous prime is 242140263611. The next prime is 242140263647. The reversal of 242140263633 is 336362041242.

242140263633 is a `hidden beast` number, since 2 + 4 + 2 + 14 + 0 + 2 + 6 + 3 + 633 = 666.

It can be written as a sum of positive squares in only one way, i.e., 152605859904 + 89534403729 = 390648^2 + 299223^2 .

It is not a de Polignac number, because 242140263633 - 2⁸ = 242140263377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242140263133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13452236860 + ... + 13452236877.

Almost surely, 2^242140263633 is an apocalyptic number.

It is an amenable number.

242140263633 is a deficient number, since it is larger than the sum of its proper divisors (107617894961).

242140263633 is a wasteful number, since it uses less digits than its factorization.

242140263633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26904473743 (or 26904473740 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 242140263633 in words is "two hundred forty-two billion, one hundred forty million, two hundred sixty-three thousand, six hundred thirty-three".