440022420220 has 96 divisors (see below), whose sum is σ = 976721872896. Its totient is φ = 166253472000.

The previous prime is 440022420217. The next prime is 440022420241. The reversal of 440022420220 is 22024220044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 440022420191 and 440022420200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44437270 + ... + 44447170.

It is an arithmetic number, because the mean of its divisors is an integer number (10174186176).

Almost surely, 2^440022420220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440022420220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488360936448).

440022420220 is an abundant number, since it is smaller than the sum of its proper divisors (536699452676).

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

440022420220 is a wasteful number, since it uses less digits than its factorization.

440022420220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11651 (or 11649 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 440022420220 its reverse (22024220044), we get a palindrome (462046640264).

The spelling of 440022420220 in words is "four hundred forty billion, twenty-two million, four hundred twenty thousand, two hundred twenty".