440220401313 has 32 divisors (see below), whose sum is σ = 732572992512. Its totient is φ = 228442785600.

The previous prime is 440220401311. The next prime is 440220401339. The reversal of 440220401313 is 313104022044.

It is not a de Polignac number, because 440220401313 - 2¹ = 440220401311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440220401311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 795231 + ... + 1229972.

It is an arithmetic number, because the mean of its divisors is an integer number (22892906016).

Almost surely, 2^440220401313 is an apocalyptic number.

It is an amenable number.

440220401313 is a deficient number, since it is larger than the sum of its proper divisors (292352591199).

440220401313 is a wasteful number, since it uses less digits than its factorization.

440220401313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026165.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 440220401313 its reverse (313104022044), we get a palindrome (753324423357).

The spelling of 440220401313 in words is "four hundred forty billion, two hundred twenty million, four hundred one thousand, three hundred thirteen".