440044042220 has 24 divisors (see below), whose sum is σ = 978450871104. Its totient is φ = 165663639296.

The previous prime is 440044042201. The next prime is 440044042241. The reversal of 440044042220 is 22240440044.

It is a self number, because there is not a number n which added to its sum of digits gives 440044042220.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 647123252 + ... + 647123931.

It is an arithmetic number, because the mean of its divisors is an integer number (40768786296).

Almost surely, 2^440044042220 is an apocalyptic number.

It is an amenable number.

440044042220 is an abundant number, since it is smaller than the sum of its proper divisors (538406828884).

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

440044042220 is a wasteful number, since it uses less digits than its factorization.

440044042220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294247209 (or 1294247207 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 440044042220 its reverse (22240440044), we get a palindrome (462284482264).

The spelling of 440044042220 in words is "four hundred forty billion, forty-four million, forty-two thousand, two hundred twenty".