442055413 has 8 divisors (see below), whose sum is σ = 446689728. Its totient is φ = 437430624.

The previous prime is 442055389. The next prime is 442055461. The reversal of 442055413 is 314550244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442055413 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 (442025413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125920 + ... + 129382.

It is an arithmetic number, because the mean of its divisors is an integer number (55836216).

Almost surely, 2^442055413 is an apocalyptic number.

It is an amenable number.

442055413 is a deficient number, since it is larger than the sum of its proper divisors (4634315).

442055413 is a wasteful number, since it uses less digits than its factorization.

442055413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4763.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 442055413 is about 21025.1138641388. The cubic root of 442055413 is about 761.7729918320.

The spelling of 442055413 in words is "four hundred forty-two million, fifty-five thousand, four hundred thirteen".