440404243412311 has 4 divisors (see below), whose sum is σ = 440404419562272. Its totient is φ = 440404067262352.

The previous prime is 440404243412209. The next prime is 440404243412321. The reversal of 440404243412311 is 113214342404044.

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

It is a cyclic number.

It is not a de Polignac number, because 440404243412311 - 2⁷ = 440404243412183 is a prime.

It is a super-2 number, since 2×440404243412311² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440404243412321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84269935 + ... + 89343328.

It is an arithmetic number, because the mean of its divisors is an integer number (110101104890568).

Almost surely, 2^{440404243412311} is an apocalyptic number.

440404243412311 is a deficient number, since it is larger than the sum of its proper divisors (176149961).

440404243412311 is a wasteful number, since it uses less digits than its factorization.

440404243412311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176149960.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 440404243412311 its reverse (113214342404044), we get a palindrome (553618585816355).

The spelling of 440404243412311 in words is "four hundred forty trillion, four hundred four billion, two hundred forty-three million, four hundred twelve thousand, three hundred eleven".