442402041 has 4 divisors (see below), whose sum is σ = 589869392. Its totient is φ = 294934692.

The previous prime is 442402027. The next prime is 442402063. The reversal of 442402041 is 140204244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 442402041 - 2⁷ = 442401913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442401999 and 442402017.

It is not an unprimeable number, because it can be changed into a prime (442402021) 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, 73733671 + ... + 73733676.

It is an arithmetic number, because the mean of its divisors is an integer number (147467348).

Almost surely, 2^442402041 is an apocalyptic number.

It is an amenable number.

442402041 is a deficient number, since it is larger than the sum of its proper divisors (147467351).

442402041 is a wasteful number, since it uses less digits than its factorization.

442402041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147467350.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 442402041 is about 21033.3554384459. The cubic root of 442402041 is about 761.9720489744.

Adding to 442402041 its reverse (140204244), we get a palindrome (582606285).

The spelling of 442402041 in words is "four hundred forty-two million, four hundred two thousand, forty-one".