42200039 has 4 divisors (see below), whose sum is σ = 48228624. Its totient is φ = 36171456.

The previous prime is 42200023. The next prime is 42200077. The reversal of 42200039 is 93000224.

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 42200039 - 2⁴ = 42200023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42200339) 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, 3014282 + ... + 3014295.

It is an arithmetic number, because the mean of its divisors is an integer number (12057156).

Almost surely, 2^42200039 is an apocalyptic number.

42200039 is a deficient number, since it is larger than the sum of its proper divisors (6028585).

42200039 is an equidigital number, since it uses as much as digits as its factorization.

42200039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6028584.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 42200039 is about 6496.1557093407. The cubic root of 42200039 is about 348.1536485163.

The spelling of 42200039 in words is "forty-two million, two hundred thousand, thirty-nine".