220044040400 has 60 divisors (see below), whose sum is σ = 535347729600. Its totient is φ = 86903456640.

The previous prime is 220044040397. The next prime is 220044040417. The reversal of 220044040400 is 4040440022.

220044040400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3450110 + ... + 3513309.

It is an arithmetic number, because the mean of its divisors is an integer number (8922462160).

Almost surely, 2^220044040400 is an apocalyptic number.

220044040400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220044040400 is an abundant number, since it is smaller than the sum of its proper divisors (315303689200).

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

220044040400 is a wasteful number, since it uses less digits than its factorization.

220044040400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6963516 (or 6963505 counting only the distinct ones).

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

Adding to 220044040400 its reverse (4040440022), we get a palindrome (224084480422).

The spelling of 220044040400 in words is "two hundred twenty billion, forty-four million, forty thousand, four hundred".