440332939922 has 6 divisors (see below), whose sum is σ = 660500817543. Its totient is φ = 220166000742.

The previous prime is 440332939819. The next prime is 440332939927. The reversal of 440332939922 is 229939233044.

It can be written as a sum of positive squares in only one way, i.e., 220166469961 + 220166469961 = 469219^2 + 469219^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=469219.

It is a super-2 number, since 2×440332939922² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440332939927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 703829 + ... + 1173047.

Almost surely, 2^440332939922 is an apocalyptic number.

440332939922 is a deficient number, since it is larger than the sum of its proper divisors (220167877621).

440332939922 is an frugal number, since it uses more digits than its factorization.

440332939922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938440 (or 469221 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 50.

Multiplying 440332939922 by its sum of digits (50), we get a square (22016646996100 = 4692190²).

The spelling of 440332939922 in words is "four hundred forty billion, three hundred thirty-two million, nine hundred thirty-nine thousand, nine hundred twenty-two".