440340433323 has 16 divisors (see below), whose sum is σ = 671028322560. Its totient is φ = 251610588576.

The previous prime is 440340433319. The next prime is 440340433333. The reversal of 440340433323 is 323334043044.

It is not a de Polignac number, because 440340433323 - 2² = 440340433319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440340433333) 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, 80608 + ... + 941901.

It is an arithmetic number, because the mean of its divisors is an integer number (41939270160).

Almost surely, 2^440340433323 is an apocalyptic number.

440340433323 is a deficient number, since it is larger than the sum of its proper divisors (230687889237).

440340433323 is a wasteful number, since it uses less digits than its factorization.

440340433323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043026.

The product of its (nonzero) digits is 124416, while the sum is 33.

Adding to 440340433323 its reverse (323334043044), we get a palindrome (763674476367).

The spelling of 440340433323 in words is "four hundred forty billion, three hundred forty million, four hundred thirty-three thousand, three hundred twenty-three".