440242444242045 has 96 divisors (see below), whose sum is σ = 769930950896640. Its totient is φ = 232701813227520.

The previous prime is 440242444242037. The next prime is 440242444242101. The reversal of 440242444242045 is 540242444242044.

It is not a de Polignac number, because 440242444242045 - 2³ = 440242444242037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2157705904 + ... + 2157909926.

It is an arithmetic number, because the mean of its divisors is an integer number (8020114071840).

Almost surely, 2^{440242444242045} is an apocalyptic number.

440242444242045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

440242444242045 is a deficient number, since it is larger than the sum of its proper divisors (329688506654595).

440242444242045 is a wasteful number, since it uses less digits than its factorization.

440242444242045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205227 (or 205224 counting only the distinct ones).

The product of its (nonzero) digits is 5242880, while the sum is 45.

Adding to 440242444242045 its reverse (540242444242044), we get a palindrome (980484888484089).

Subtracting 440242444242045 from its reverse (540242444242044), we obtain a palindrome (99999999999999).

The spelling of 440242444242045 in words is "four hundred forty trillion, two hundred forty-two billion, four hundred forty-four million, two hundred forty-two thousand, forty-five".