441001221040 has 80 divisors (see below), whose sum is σ = 1087008641280. Its totient is φ = 166096327680.

The previous prime is 441001221019. The next prime is 441001221043. The reversal of 441001221040 is 40122100144.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 441001220999 and 441001221017.

It is not an unprimeable number, because it can be changed into a prime (441001221043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2311255 + ... + 2494774.

It is an arithmetic number, because the mean of its divisors is an integer number (13587608016).

Almost surely, 2^441001221040 is an apocalyptic number.

441001221040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441001221040 is an abundant number, since it is smaller than the sum of its proper divisors (646007420240).

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

441001221040 is a wasteful number, since it uses less digits than its factorization.

441001221040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806110 (or 4806104 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 441001221040 its reverse (40122100144), we get a palindrome (481123321184).

The spelling of 441001221040 in words is "four hundred forty-one billion, one million, two hundred twenty-one thousand, forty".