440344221401 has 32 divisors (see below), whose sum is σ = 529966993920. Its totient is φ = 357935500800.

The previous prime is 440344221379. The next prime is 440344221439. The reversal of 440344221401 is 104122443044.

It is a cyclic number.

It is not a de Polignac number, because 440344221401 - 2²² = 440340027097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440344221451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11332316 + ... + 11371106.

It is an arithmetic number, because the mean of its divisors is an integer number (16561468560).

Almost surely, 2^440344221401 is an apocalyptic number.

440344221401 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

440344221401 is a deficient number, since it is larger than the sum of its proper divisors (89622772519).

440344221401 is a wasteful number, since it uses less digits than its factorization.

440344221401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39945.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 440344221401 its reverse (104122443044), we get a palindrome (544466664445).

The spelling of 440344221401 in words is "four hundred forty billion, three hundred forty-four million, two hundred twenty-one thousand, four hundred one".