42444033 has 4 divisors (see below), whose sum is σ = 56592048. Its totient is φ = 28296020.

The previous prime is 42444029. The next prime is 42444037. The reversal of 42444033 is 33044424.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (42444029) and next prime (42444037).

It is a cyclic number.

It is not a de Polignac number, because 42444033 - 2² = 42444029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42443994 and 42444012.

It is not an unprimeable number, because it can be changed into a prime (42444037) 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, 7074003 + ... + 7074008.

It is an arithmetic number, because the mean of its divisors is an integer number (14148012).

Almost surely, 2^42444033 is an apocalyptic number.

It is an amenable number.

42444033 is a deficient number, since it is larger than the sum of its proper divisors (14148015).

42444033 is a wasteful number, since it uses less digits than its factorization.

42444033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14148014.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 42444033 is about 6514.9085181605. The cubic root of 42444033 is about 348.8233493798.

Adding to 42444033 its reverse (33044424), we get a palindrome (75488457).

The spelling of 42444033 in words is "forty-two million, four hundred forty-four thousand, thirty-three".