440004401022 has 64 divisors (see below), whose sum is σ = 909220806144. Its totient is φ = 141885786240.

The previous prime is 440004401009. The next prime is 440004401029. The reversal of 440004401022 is 220104400044.

It is a self number, because there is not a number n which added to its sum of digits gives 440004401022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440004401029) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 15851868 + ... + 15879600.

It is an arithmetic number, because the mean of its divisors is an integer number (14206575096).

Almost surely, 2^440004401022 is an apocalyptic number.

440004401022 is an abundant number, since it is smaller than the sum of its proper divisors (469216405122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440004401022 is a wasteful number, since it uses less digits than its factorization.

440004401022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28513.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 440004401022 its reverse (220104400044), we get a palindrome (660108801066).

The spelling of 440004401022 in words is "four hundred forty billion, four million, four hundred one thousand, twenty-two".