242005073643650 has 12 divisors (see below), whose sum is σ = 450129436977282. Its totient is φ = 96802029457440.

The previous prime is 242005073643643. The next prime is 242005073643653. The reversal of 242005073643650 is 56346370500242.

It can be written as a sum of positive squares in 3 ways, for example, as 214886486226049 + 27118587417601 = 14659007^2 + 5207551^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242005073643595 and 242005073643604.

It is not an unprimeable number, because it can be changed into a prime (242005073643653) 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, 2420050736387 + ... + 2420050736486.

Almost surely, 2^{242005073643650} is an apocalyptic number.

242005073643650 is a deficient number, since it is larger than the sum of its proper divisors (208124363333632).

242005073643650 is a wasteful number, since it uses less digits than its factorization.

242005073643650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840101472885 (or 4840101472880 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 47.

The spelling of 242005073643650 in words is "two hundred forty-two trillion, five billion, seventy-three million, six hundred forty-three thousand, six hundred fifty".