442305741 has 8 divisors (see below), whose sum is σ = 595821184. Its totient is φ = 291830400.

The previous prime is 442305683. The next prime is 442305751. The reversal of 442305741 is 147503244.

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

It is not a de Polignac number, because 442305741 - 2⁹ = 442305229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442305699 and 442305708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442305751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759685 + ... + 760266.

It is an arithmetic number, because the mean of its divisors is an integer number (74477648).

Almost surely, 2^442305741 is an apocalyptic number.

It is an amenable number.

442305741 is a deficient number, since it is larger than the sum of its proper divisors (153515443).

442305741 is a wasteful number, since it uses less digits than its factorization.

442305741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520051.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 442305741 is about 21031.0660928066. The cubic root of 442305741 is about 761.9167574625.

Adding to 442305741 its reverse (147503244), we get a palindrome (589808985).

The spelling of 442305741 in words is "four hundred forty-two million, three hundred five thousand, seven hundred forty-one".