2040311443 has 4 divisors (see below), whose sum is σ = 2110667040. Its totient is φ = 1969955848.

The previous prime is 2040311419. The next prime is 2040311503. The reversal of 2040311443 is 3441130402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3441130402 = 2 ⋅1720565201.

It is a de Polignac number, because none of the positive numbers 2^k-2040311443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043311443) 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, 35177755 + ... + 35177812.

It is an arithmetic number, because the mean of its divisors is an integer number (527666760).

Almost surely, 2^2040311443 is an apocalyptic number.

2040311443 is a deficient number, since it is larger than the sum of its proper divisors (70355597).

2040311443 is an equidigital number, since it uses as much as digits as its factorization.

2040311443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70355596.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2040311443 is about 45169.8067629252. The cubic root of 2040311443 is about 1268.3296790184.

Adding to 2040311443 its reverse (3441130402), we get a palindrome (5481441845).

The spelling of 2040311443 in words is "two billion, forty million, three hundred eleven thousand, four hundred forty-three".