2040440043 has 16 divisors (see below), whose sum is σ = 2768981760. Its totient is φ = 1336210656.

The previous prime is 2040440027. The next prime is 2040440047. The reversal of 2040440043 is 3400440402.

It is not a de Polignac number, because 2040440043 - 2⁴ = 2040440027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040440047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58021 + ... + 86297.

It is an arithmetic number, because the mean of its divisors is an integer number (173061360).

Almost surely, 2^2040440043 is an apocalyptic number.

2040440043 is a deficient number, since it is larger than the sum of its proper divisors (728541717).

2040440043 is a wasteful number, since it uses less digits than its factorization.

2040440043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28706.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2040440043 is about 45171.2302577647. The cubic root of 2040440043 is about 1268.3563258930.

Adding to 2040440043 its reverse (3400440402), we get a palindrome (5440880445).

The spelling of 2040440043 in words is "two billion, forty million, four hundred forty thousand, forty-three".