440340200203231 has 4 divisors (see below), whose sum is σ = 454544722790464. Its totient is φ = 426135677616000.

The previous prime is 440340200203177. The next prime is 440340200203303. The reversal of 440340200203231 is 132302002043044.

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 440340200203231 - 2⁷ = 440340200203103 is a prime.

It is a super-2 number, since 2×440340200203231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440340200203231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440340200203531) 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, 7102261293570 + ... + 7102261293631.

It is an arithmetic number, because the mean of its divisors is an integer number (113636180697616).

Almost surely, 2^{440340200203231} is an apocalyptic number.

440340200203231 is a deficient number, since it is larger than the sum of its proper divisors (14204522587233).

440340200203231 is a wasteful number, since it uses less digits than its factorization.

440340200203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14204522587232.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 440340200203231 its reverse (132302002043044), we get a palindrome (572642202246275).

The spelling of 440340200203231 in words is "four hundred forty trillion, three hundred forty billion, two hundred million, two hundred three thousand, two hundred thirty-one".