440010220221 has 112 divisors (see below), whose sum is σ = 781475833152. Its totient is φ = 246152507040.

The previous prime is 440010220187. The next prime is 440010220249. The reversal of 440010220221 is 122022010044.

440010220221 is a `hidden beast` number, since 440 + 0 + 1 + 0 + 2 + 2 + 0 + 221 = 666.

It is not a de Polignac number, because 440010220221 - 2¹⁵ = 440010187453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440010220194 and 440010220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440010220021) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 12596446 + ... + 12631328.

It is an arithmetic number, because the mean of its divisors is an integer number (6977462796).

Almost surely, 2^440010220221 is an apocalyptic number.

It is an amenable number.

440010220221 is a deficient number, since it is larger than the sum of its proper divisors (341465612931).

440010220221 is an equidigital number, since it uses as much as digits as its factorization.

440010220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34947 (or 34910 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 440010220221 its reverse (122022010044), we get a palindrome (562032230265).

The spelling of 440010220221 in words is "four hundred forty billion, ten million, two hundred twenty thousand, two hundred twenty-one".