2040312045 has 16 divisors (see below), whose sum is σ = 3281418432. Its totient is φ = 1082526720.

The previous prime is 2040312041. The next prime is 2040312047. The reversal of 2040312045 is 5402130402.

It is not a de Polignac number, because 2040312045 - 2² = 2040312041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040312041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349491 + ... + 355280.

It is an arithmetic number, because the mean of its divisors is an integer number (205088652).

Almost surely, 2^2040312045 is an apocalyptic number.

It is an amenable number.

2040312045 is a deficient number, since it is larger than the sum of its proper divisors (1241106387).

2040312045 is a wasteful number, since it uses less digits than its factorization.

2040312045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704972.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2040312045 is about 45169.8134266680. The cubic root of 2040312045 is about 1268.3298037598.

Adding to 2040312045 its reverse (5402130402), we get a palindrome (7442442447).

The spelling of 2040312045 in words is "two billion, forty million, three hundred twelve thousand, forty-five".