260243505202 has 4 divisors (see below), whose sum is σ = 390365257806. Its totient is φ = 130121752600.

The previous prime is 260243505163. The next prime is 260243505209. The reversal of 260243505202 is 202505342062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 248682739761 + 11560765441 = 498681^2 + 107521^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (260243505209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65060876299 + ... + 65060876302.

Almost surely, 2^260243505202 is an apocalyptic number.

260243505202 is a deficient number, since it is larger than the sum of its proper divisors (130121752604).

260243505202 is a wasteful number, since it uses less digits than its factorization.

260243505202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130121752603.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 260243505202 its reverse (202505342062), we get a palindrome (462748847264).

The spelling of 260243505202 in words is "two hundred sixty billion, two hundred forty-three million, five hundred five thousand, two hundred two".