440042532220 has 12 divisors (see below), whose sum is σ = 924089317704. Its totient is φ = 176017012880.

The previous prime is 440042532217. The next prime is 440042532227. The reversal of 440042532220 is 22235240044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440042532227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11001063286 + ... + 11001063325.

It is an arithmetic number, because the mean of its divisors is an integer number (77007443142).

Almost surely, 2^440042532220 is an apocalyptic number.

It is an amenable number.

440042532220 is an abundant number, since it is smaller than the sum of its proper divisors (484046785484).

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

440042532220 is a wasteful number, since it uses less digits than its factorization.

440042532220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22002126620 (or 22002126618 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 440042532220 its reverse (22235240044), we get a palindrome (462277772264).

The spelling of 440042532220 in words is "four hundred forty billion, forty-two million, five hundred thirty-two thousand, two hundred twenty".