42441609 has 8 divisors (see below), whose sum is σ = 64672960. Its totient is φ = 24252336.

The previous prime is 42441569. The next prime is 42441613. The reversal of 42441609 is 90614424.

42441609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42441609 - 2⁷ = 42441481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42441209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010494 + ... + 1010535.

It is an arithmetic number, because the mean of its divisors is an integer number (8084120).

Almost surely, 2^42441609 is an apocalyptic number.

It is an amenable number.

42441609 is a deficient number, since it is larger than the sum of its proper divisors (22231351).

42441609 is a wasteful number, since it uses less digits than its factorization.

42441609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021039.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 42441609 is about 6514.7224806587. The cubic root of 42441609 is about 348.8167087612.

The spelling of 42441609 in words is "forty-two million, four hundred forty-one thousand, six hundred nine".