442038041 has 2 divisors, whose sum is σ = 442038042. Its totient is φ = 442038040.

The previous prime is 442038017. The next prime is 442038049. The reversal of 442038041 is 140830244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320266816 + 121771225 = 17896^2 + 11035^2 .

It is a cyclic number.

It is not a de Polignac number, because 442038041 - 2¹⁰ = 442037017 is a prime.

It is a super-2 number, since 2×442038041² = 390795259382235362, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442038041.

It is not a weakly prime, because it can be changed into another prime (442038049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221019020 + 221019021.

It is an arithmetic number, because the mean of its divisors is an integer number (221019021).

Almost surely, 2^442038041 is an apocalyptic number.

It is an amenable number.

442038041 is a deficient number, since it is larger than the sum of its proper divisors (1).

442038041 is an equidigital number, since it uses as much as digits as its factorization.

442038041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 442038041 is about 21024.7007350878. The cubic root of 442038041 is about 761.7630129218.

Adding to 442038041 its reverse (140830244), we get a palindrome (582868285).

The spelling of 442038041 in words is "four hundred forty-two million, thirty-eight thousand, forty-one".