4431344505 has 32 divisors (see below), whose sum is σ = 8121406464. Its totient is φ = 2021163456.

The previous prime is 4431344503. The next prime is 4431344531. The reversal of 4431344505 is 5054431344.

It is a happy number.

It is not a de Polignac number, because 4431344505 - 2¹ = 4431344503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4431344503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1119 + ... + 94148.

It is an arithmetic number, because the mean of its divisors is an integer number (253793952).

Almost surely, 2^4431344505 is an apocalyptic number.

It is an amenable number.

4431344505 is a deficient number, since it is larger than the sum of its proper divisors (3690061959).

4431344505 is a wasteful number, since it uses less digits than its factorization.

4431344505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95725.

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 4431344505 is about 66568.3446166419. The cubic root of 4431344505 is about 1642.5244317562.

Adding to 4431344505 its reverse (5054431344), we get a palindrome (9485775849).

The spelling of 4431344505 in words is "four billion, four hundred thirty-one million, three hundred forty-four thousand, five hundred five".