2040235445 has 4 divisors (see below), whose sum is σ = 2448282540. Its totient is φ = 1632188352.

The previous prime is 2040235429. The next prime is 2040235459. The reversal of 2040235445 is 5445320402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1505284804 + 534950641 = 38798^2 + 23129^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040235445 - 2⁴ = 2040235429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204023540 + ... + 204023549.

It is an arithmetic number, because the mean of its divisors is an integer number (612070635).

Almost surely, 2^2040235445 is an apocalyptic number.

It is an amenable number.

2040235445 is a deficient number, since it is larger than the sum of its proper divisors (408047095).

2040235445 is an equidigital number, since it uses as much as digits as its factorization.

2040235445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408047094.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 2040235445 is about 45168.9655073038. The cubic root of 2040235445 is about 1268.3139311422.

Adding to 2040235445 its reverse (5445320402), we get a palindrome (7485555847).

The spelling of 2040235445 in words is "two billion, forty million, two hundred thirty-five thousand, four hundred forty-five".