442000033 has 4 divisors (see below), whose sum is σ = 443166640. Its totient is φ = 440833428.

The previous prime is 441999979. The next prime is 442000037. The reversal of 442000033 is 330000244.

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 a cyclic number.

It is not a de Polignac number, because 442000033 - 2¹³ = 441991841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 441999980 and 442000016.

It is not an unprimeable number, because it can be changed into a prime (442000037) 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, 582735 + ... + 583492.

It is an arithmetic number, because the mean of its divisors is an integer number (110791660).

Almost surely, 2^442000033 is an apocalyptic number.

It is an amenable number.

442000033 is a deficient number, since it is larger than the sum of its proper divisors (1166607).

442000033 is a wasteful number, since it uses less digits than its factorization.

442000033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166606.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 442000033 is about 21023.7968264536. The cubic root of 442000033 is about 761.7411792667.

Adding to 442000033 its reverse (330000244), we get a palindrome (772000277).

The spelling of 442000033 in words is "four hundred forty-two million, thirty-three", and thus it is an aban number.