4443442505 has 24 divisors (see below), whose sum is σ = 5809146624. Its totient is φ = 3258986400.

The previous prime is 4443442501. The next prime is 4443442511. The reversal of 4443442505 is 5052443444.

It is not a de Polignac number, because 4443442505 - 2² = 4443442501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4443442501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16250 + ... + 95660.

It is an arithmetic number, because the mean of its divisors is an integer number (242047776).

Almost surely, 2^4443442505 is an apocalyptic number.

It is an amenable number.

4443442505 is a deficient number, since it is larger than the sum of its proper divisors (1365704119).

4443442505 is a wasteful number, since it uses less digits than its factorization.

4443442505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79485 (or 79466 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

The square root of 4443442505 is about 66659.1516972726. The cubic root of 4443442505 is about 1644.0178238438.

Adding to 4443442505 its reverse (5052443444), we get a palindrome (9495885949).

The spelling of 4443442505 in words is "four billion, four hundred forty-three million, four hundred forty-two thousand, five hundred five".