2040045311 has 4 divisors (see below), whose sum is σ = 2040513672. Its totient is φ = 2039576952.

The previous prime is 2040045299. The next prime is 2040045317. The reversal of 2040045311 is 1135400402.

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

It is a cyclic number.

It is not a de Polignac number, because 2040045311 - 2¹⁴ = 2040028927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040045317) 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, 227585 + ... + 236378.

It is an arithmetic number, because the mean of its divisors is an integer number (510128418).

Almost surely, 2^2040045311 is an apocalyptic number.

2040045311 is a deficient number, since it is larger than the sum of its proper divisors (468361).

2040045311 is an equidigital number, since it uses as much as digits as its factorization.

2040045311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468360.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2040045311 is about 45166.8607609606. The cubic root of 2040045311 is about 1268.2745309359.

Adding to 2040045311 its reverse (1135400402), we get a palindrome (3175445713).

The spelling of 2040045311 in words is "two billion, forty million, forty-five thousand, three hundred eleven".