440014242401 has 4 divisors (see below), whose sum is σ = 448316397972. Its totient is φ = 431712086832.

The previous prime is 440014242397. The next prime is 440014242407. The reversal of 440014242401 is 104242410044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 372403842001 + 67610400400 = 610249^2 + 260020^2 .

It is a cyclic number.

It is not a de Polignac number, because 440014242401 - 2² = 440014242397 is a prime.

It is a super-2 number, since 2×440014242401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440014242407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4151077706 + ... + 4151077811.

It is an arithmetic number, because the mean of its divisors is an integer number (112079099493).

Almost surely, 2^440014242401 is an apocalyptic number.

It is an amenable number.

440014242401 is a deficient number, since it is larger than the sum of its proper divisors (8302155571).

440014242401 is an equidigital number, since it uses as much as digits as its factorization.

440014242401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8302155570.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 440014242401 its reverse (104242410044), we get a palindrome (544256652445).

The spelling of 440014242401 in words is "four hundred forty billion, fourteen million, two hundred forty-two thousand, four hundred one".