440440000002 has 24 divisors (see below), whose sum is σ = 954869679036. Its totient is φ = 146723639136.

The previous prime is 440439999997. The next prime is 440440000031. The reversal of 440440000002 is 200000044044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 358500365001 + 81939635001 = 598749^2 + 286251^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 440440000002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7444233 + ... + 7503164.

Almost surely, 2^440440000002 is an apocalyptic number.

440440000002 is an abundant number, since it is smaller than the sum of its proper divisors (514429679034).

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

440440000002 is a wasteful number, since it uses less digits than its factorization.

440440000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14949042 (or 14949039 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 440440000002 its reverse (200000044044), we get a palindrome (640440044046).

The spelling of 440440000002 in words is "four hundred forty billion, four hundred forty million, two", and thus it is an aban number.