4400444444442 has 16 divisors (see below), whose sum is σ = 8878772862720. Its totient is φ = 1453834152512.

The previous prime is 4400444444413. The next prime is 4400444444443. The reversal of 4400444444442 is 2444444440044.

It is a super-2 number, since 2×4400444444442² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4400444444394 and 4400444444403.

It is not an unprimeable number, because it can be changed into a prime (4400444444443) 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 7 ways as a sum of consecutive naturals, for example, 3245164842 + ... + 3245166197.

It is an arithmetic number, because the mean of its divisors is an integer number (554923303920).

Almost surely, 2^{4400444444442} is an apocalyptic number.

4400444444442 is an abundant number, since it is smaller than the sum of its proper divisors (4478328418278).

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

4400444444442 is a wasteful number, since it uses less digits than its factorization.

4400444444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490331157.

The product of its (nonzero) digits is 2097152, while the sum is 42.

Adding to 4400444444442 its reverse (2444444440044), we get a palindrome (6844888884486).

The spelling of 4400444444442 in words is "four trillion, four hundred billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-two".