2040453443 has 12 divisors (see below), whose sum is σ = 2409019272. Its totient is φ = 1722853440.

The previous prime is 2040453431. The next prime is 2040453479. The reversal of 2040453443 is 3443540402.

It is not a de Polignac number, because 2040453443 - 2¹⁶ = 2040387907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040453043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307478 + ... + 314043.

It is an arithmetic number, because the mean of its divisors is an integer number (200751606).

Almost surely, 2^2040453443 is an apocalyptic number.

2040453443 is a deficient number, since it is larger than the sum of its proper divisors (368565829).

2040453443 is an equidigital number, since it uses as much as digits as its factorization.

2040453443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621602 (or 621595 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 2040453443 is about 45171.3785820181. The cubic root of 2040453443 is about 1268.3591024081.

Adding to 2040453443 its reverse (3443540402), we get a palindrome (5483993845).

The spelling of 2040453443 in words is "two billion, forty million, four hundred fifty-three thousand, four hundred forty-three".