4040042441 has 4 divisors (see below), whose sum is σ = 4040602500. Its totient is φ = 4039482384.

The previous prime is 4040042429. The next prime is 4040042443. The reversal of 4040042441 is 1442400404.

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 2218033216 + 1822009225 = 47096^2 + 42685^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040042441 - 2²² = 4035848137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4040042443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269066 + ... + 283683.

It is an arithmetic number, because the mean of its divisors is an integer number (1010150625).

Almost surely, 2^4040042441 is an apocalyptic number.

It is an amenable number.

4040042441 is a deficient number, since it is larger than the sum of its proper divisors (560059).

4040042441 is an equidigital number, since it uses as much as digits as its factorization.

4040042441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560058.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 4040042441 is about 63561.3281878219. The cubic root of 4040042441 is about 1592.6804254599.

Adding to 4040042441 its reverse (1442400404), we get a palindrome (5482442845).

The spelling of 4040042441 in words is "four billion, forty million, forty-two thousand, four hundred forty-one".