544222332440 has 16 divisors (see below), whose sum is σ = 1224500248080. Its totient is φ = 217688932960.

The previous prime is 544222332439. The next prime is 544222332449. The reversal of 544222332440 is 44233222445.

It is a self number, because there is not a number n which added to its sum of digits gives 544222332440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544222332449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6802779116 + ... + 6802779195.

It is an arithmetic number, because the mean of its divisors is an integer number (76531265505).

Almost surely, 2^544222332440 is an apocalyptic number.

It is an amenable number.

544222332440 is an abundant number, since it is smaller than the sum of its proper divisors (680277915640).

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

544222332440 is a wasteful number, since it uses less digits than its factorization.

544222332440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13605558322 (or 13605558318 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 544222332440 its reverse (44233222445), we get a palindrome (588455554885).

The spelling of 544222332440 in words is "five hundred forty-four billion, two hundred twenty-two million, three hundred thirty-two thousand, four hundred forty".