2660440204 has 6 divisors (see below), whose sum is σ = 4655770364. Its totient is φ = 1330220100.

The previous prime is 2660440187. The next prime is 2660440207. The reversal of 2660440204 is 4020440662.

It is not an unprimeable number, because it can be changed into a prime (2660440207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332555022 + ... + 332555029.

Almost surely, 2^2660440204 is an apocalyptic number.

It is an amenable number.

2660440204 is a deficient number, since it is larger than the sum of its proper divisors (1995330160).

2660440204 is a wasteful number, since it uses less digits than its factorization.

2660440204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665110055 (or 665110053 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 2660440204 is about 51579.4552510978. The cubic root of 2660440204 is about 1385.6424105623.

Adding to 2660440204 its reverse (4020440662), we get a palindrome (6680880866).

The spelling of 2660440204 in words is "two billion, six hundred sixty million, four hundred forty thousand, two hundred four".