2040511306 has 4 divisors (see below), whose sum is σ = 3060766962. Its totient is φ = 1020255652.

The previous prime is 2040511279. The next prime is 2040511307. The reversal of 2040511306 is 6031150402.

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., 2031755625 + 8755681 = 45075^2 + 2959^2 .

It is not an unprimeable number, because it can be changed into a prime (2040511307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510127825 + ... + 510127828.

Almost surely, 2^2040511306 is an apocalyptic number.

2040511306 is a deficient number, since it is larger than the sum of its proper divisors (1020255656).

2040511306 is a wasteful number, since it uses less digits than its factorization.

2040511306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020255655.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2040511306 is about 45172.0190604759. The cubic root of 2040511306 is about 1268.3710916335.

Adding to 2040511306 its reverse (6031150402), we get a palindrome (8071661708).

The spelling of 2040511306 in words is "two billion, forty million, five hundred eleven thousand, three hundred six".