440003401221 has 8 divisors (see below), whose sum is σ = 621181272384. Its totient is φ = 276080565440.

The previous prime is 440003401183. The next prime is 440003401247. The reversal of 440003401221 is 122104300044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440003401221 - 2⁷ = 440003401093 is a prime.

It is a super-3 number, since 3×440003401221³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440003401121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4313758785 + ... + 4313758886.

It is an arithmetic number, because the mean of its divisors is an integer number (77647659048).

Almost surely, 2^440003401221 is an apocalyptic number.

It is an amenable number.

440003401221 is a deficient number, since it is larger than the sum of its proper divisors (181177871163).

440003401221 is a wasteful number, since it uses less digits than its factorization.

440003401221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8627517691.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 440003401221 its reverse (122104300044), we get a palindrome (562107701265).

The spelling of 440003401221 in words is "four hundred forty billion, three million, four hundred one thousand, two hundred twenty-one".