42443355 has 8 divisors (see below), whose sum is σ = 67909392. Its totient is φ = 22636448.

The previous prime is 42443351. The next prime is 42443377. The reversal of 42443355 is 55334424.

42443355 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 a cyclic number.

It is not a de Polignac number, because 42443355 - 2² = 42443351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42443351) 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, 1414764 + ... + 1414793.

It is an arithmetic number, because the mean of its divisors is an integer number (8488674).

Almost surely, 2^42443355 is an apocalyptic number.

42443355 is a deficient number, since it is larger than the sum of its proper divisors (25466037).

42443355 is a wasteful number, since it uses less digits than its factorization.

42443355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829565.

The product of its digits is 28800, while the sum is 30.

The square root of 42443355 is about 6514.8564834538. The cubic root of 42443355 is about 348.8214920045.

Adding to 42443355 its reverse (55334424), we get a palindrome (97777779).

The spelling of 42443355 in words is "forty-two million, four hundred forty-three thousand, three hundred fifty-five".