42044307 has 4 divisors (see below), whose sum is σ = 56059080. Its totient is φ = 28029536.

The previous prime is 42044297. The next prime is 42044323. The reversal of 42044307 is 70344024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42044307 - 2¹⁰ = 42043283 is a prime.

It is a super-2 number, since 2×42044307² = 3535447502220498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42044357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7007382 + ... + 7007387.

It is an arithmetic number, because the mean of its divisors is an integer number (14014770).

Almost surely, 2^42044307 is an apocalyptic number.

42044307 is a deficient number, since it is larger than the sum of its proper divisors (14014773).

42044307 is a wasteful number, since it uses less digits than its factorization.

42044307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14014772.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 42044307 is about 6484.1581566152. The cubic root of 42044307 is about 347.7248535259.

The spelling of 42044307 in words is "forty-two million, forty-four thousand, three hundred seven".