8442620441 has 4 divisors (see below), whose sum is σ = 8443400400. Its totient is φ = 8441840484.

The previous prime is 8442620429. The next prime is 8442620489. The reversal of 8442620441 is 1440262448.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8442620441 - 2²² = 8438426137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8442620491) 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 3 ways as a sum of consecutive naturals, for example, 373511 + ... + 395468.

It is an arithmetic number, because the mean of its divisors is an integer number (2110850100).

Almost surely, 2^8442620441 is an apocalyptic number.

It is an amenable number.

8442620441 is a deficient number, since it is larger than the sum of its proper divisors (779959).

8442620441 is a wasteful number, since it uses less digits than its factorization.

8442620441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779958.

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 8442620441 is about 91883.7332774414. The cubic root of 8442620441 is about 2036.2249518413.

Adding to 8442620441 its reverse (1440262448), we get a palindrome (9882882889).

The spelling of 8442620441 in words is "eight billion, four hundred forty-two million, six hundred twenty thousand, four hundred forty-one".