440022022220 has 48 divisors (see below), whose sum is σ = 1042810826400. Its totient is φ = 154490488320.

The previous prime is 440022022207. The next prime is 440022022309. The reversal of 440022022220 is 22220220044.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 440022022192 and 440022022201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34478105 + ... + 34490864.

It is an arithmetic number, because the mean of its divisors is an integer number (21725225550).

Almost surely, 2^440022022220 is an apocalyptic number.

It is an amenable number.

440022022220 is an abundant number, since it is smaller than the sum of its proper divisors (602788804180).

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

440022022220 is a wasteful number, since it uses less digits than its factorization.

440022022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68969018 (or 68969016 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 440022022220 its reverse (22220220044), we get a palindrome (462242242264).

The spelling of 440022022220 in words is "four hundred forty billion, twenty-two million, twenty-two thousand, two hundred twenty".