440021100000 has 288 divisors, whose sum is σ = 1458707074272. Its totient is φ = 116121600000.

The previous prime is 440021099983. The next prime is 440021100011. The reversal of 440021100000 is 1120044.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 47 ways as a sum of consecutive naturals, for example, 29092440 + ... + 29107560.

It is an arithmetic number, because the mean of its divisors is an integer number (5064955119).

Almost surely, 2^440021100000 is an apocalyptic number.

440021100000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440021100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729353537136).

440021100000 is an abundant number, since it is smaller than the sum of its proper divisors (1018685974272).

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

440021100000 is an equidigital number, since it uses as much as digits as its factorization.

440021100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15256 (or 15228 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 440021100000 its reverse (1120044), we get a palindrome (440022220044).

The spelling of 440021100000 in words is "four hundred forty billion, twenty-one million, one hundred thousand".