242155025402242 has 16 divisors (see below), whose sum is σ = 372219779244600. Its totient is φ = 118083795986560.

The previous prime is 242155025402207. The next prime is 242155025402263. The reversal of 242155025402242 is 242204520551242.

It can be written as a sum of positive squares in 4 ways, for example, as 208908027229801 + 33246998172441 = 14453651^2 + 5766021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242155025402195 and 242155025402204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507343117 + ... + 507820192.

Almost surely, 2^{242155025402242} is an apocalyptic number.

242155025402242 is a deficient number, since it is larger than the sum of its proper divisors (130064753842358).

242155025402242 is a wasteful number, since it uses less digits than its factorization.

242155025402242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015166261.

The product of its (nonzero) digits is 512000, while the sum is 40.

Adding to 242155025402242 its reverse (242204520551242), we get a palindrome (484359545953484).

The spelling of 242155025402242 in words is "two hundred forty-two trillion, one hundred fifty-five billion, twenty-five million, four hundred two thousand, two hundred forty-two".