440424045 has 24 divisors (see below), whose sum is σ = 763955712. Its totient is φ = 234722400.

The previous prime is 440424043. The next prime is 440424059. The reversal of 440424045 is 540424044.

It is a happy number.

It is not a de Polignac number, because 440424045 - 2¹ = 440424043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440424041) 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 23 ways as a sum of consecutive naturals, for example, 81580 + ... + 86810.

It is an arithmetic number, because the mean of its divisors is an integer number (31831488).

Almost surely, 2^440424045 is an apocalyptic number.

440424045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

440424045 is a deficient number, since it is larger than the sum of its proper divisors (323531667).

440424045 is a wasteful number, since it uses less digits than its factorization.

440424045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7113 (or 7110 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 440424045 is about 20986.2823053537. The cubic root of 440424045 is about 760.8347505166.

Adding to 440424045 its reverse (540424044), we get a palindrome (980848089).

Subtracting 440424045 from its reverse (540424044), we obtain a palindrome (99999999).

The spelling of 440424045 in words is "four hundred forty million, four hundred twenty-four thousand, forty-five".