440432333440231 has 4 divisors (see below), whose sum is σ = 480471636480264. Its totient is φ = 400393030400200.

The previous prime is 440432333440217. The next prime is 440432333440237. The reversal of 440432333440231 is 132044333234044.

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 440432333440231 - 2¹⁹ = 440432332915943 is a prime.

It is a super-2 number, since 2×440432333440231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440432333440237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20019651520000 + ... + 20019651520021.

It is an arithmetic number, because the mean of its divisors is an integer number (120117909120066).

Almost surely, 2^{440432333440231} is an apocalyptic number.

440432333440231 is a deficient number, since it is larger than the sum of its proper divisors (40039303040033).

440432333440231 is a wasteful number, since it uses less digits than its factorization.

440432333440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40039303040032.

The product of its (nonzero) digits is 995328, while the sum is 40.

Adding to 440432333440231 its reverse (132044333234044), we get a palindrome (572476666674275).

The spelling of 440432333440231 in words is "four hundred forty trillion, four hundred thirty-two billion, three hundred thirty-three million, four hundred forty thousand, two hundred thirty-one".