204140957266 has 8 divisors (see below), whose sum is σ = 316770451020. Its totient is φ = 98550806928.

The previous prime is 204140957263. The next prime is 204140957341. The reversal of 204140957266 is 662759041402.

It can be written as a sum of positive squares in 2 ways, for example, as 194414855625 + 9726101641 = 440925^2 + 98621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (204140957261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1759835781 + ... + 1759835896.

Almost surely, 2^204140957266 is an apocalyptic number.

204140957266 is a deficient number, since it is larger than the sum of its proper divisors (112629493754).

204140957266 is a wasteful number, since it uses less digits than its factorization.

204140957266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519671708.

The product of its (nonzero) digits is 725760, while the sum is 46.

Adding to 204140957266 its reverse (662759041402), we get a palindrome (866899998668).

It can be divided in two parts, 20414095 and 7266, that added together give a square (20421361 = 4519²).

The spelling of 204140957266 in words is "two hundred four billion, one hundred forty million, nine hundred fifty-seven thousand, two hundred sixty-six".