442002041 has 8 divisors (see below), whose sum is σ = 477700104. Its totient is φ = 406546560.

The previous prime is 442002013. The next prime is 442002089. The reversal of 442002041 is 140200244.

It can be written as a sum of positive squares in 4 ways, for example, as 34810000 + 407192041 = 5900^2 + 20179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442002041 - 2⁶ = 442001977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442002541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56846 + ... + 64151.

It is an arithmetic number, because the mean of its divisors is an integer number (59712513).

Almost surely, 2^442002041 is an apocalyptic number.

It is an amenable number.

442002041 is a deficient number, since it is larger than the sum of its proper divisors (35698063).

442002041 is a wasteful number, since it uses less digits than its factorization.

442002041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121291.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 442002041 is about 21023.8445818076. The cubic root of 442002041 is about 761.7423327915.

Adding to 442002041 its reverse (140200244), we get a palindrome (582202285).

The spelling of 442002041 in words is "four hundred forty-two million, two thousand, forty-one".