440031311344213 has 16 divisors (see below), whose sum is σ = 464027544529920. Its totient is φ = 416119164387696.

The previous prime is 440031311344211. The next prime is 440031311344217. The reversal of 440031311344213 is 312443113130044.

It is not a de Polignac number, because 440031311344213 - 2¹ = 440031311344211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440031311344211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32191306 + ... + 43776052.

It is an arithmetic number, because the mean of its divisors is an integer number (29001721533120).

Almost surely, 2^{440031311344213} is an apocalyptic number.

It is an amenable number.

440031311344213 is a deficient number, since it is larger than the sum of its proper divisors (23996233185707).

440031311344213 is a wasteful number, since it uses less digits than its factorization.

440031311344213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11588376.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 440031311344213 its reverse (312443113130044), we get a palindrome (752474424474257).

The spelling of 440031311344213 in words is "four hundred forty trillion, thirty-one billion, three hundred eleven million, three hundred forty-four thousand, two hundred thirteen".