440432304243031 has 4 divisors (see below), whose sum is σ = 440433234442152. Its totient is φ = 440431374043912.

The previous prime is 440432304243023. The next prime is 440432304243053. The reversal of 440432304243031 is 130342403234044.

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 440432304243031 - 2³ = 440432304243023 is a prime.

It is a super-2 number, since 2×440432304243031² (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 (440432304843031) 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, 464388976 + ... + 465336421.

It is an arithmetic number, because the mean of its divisors is an integer number (110108308610538).

Almost surely, 2^{440432304243031} is an apocalyptic number.

440432304243031 is a deficient number, since it is larger than the sum of its proper divisors (930199121).

440432304243031 is an equidigital number, since it uses as much as digits as its factorization.

440432304243031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930199120.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 440432304243031 its reverse (130342403234044), we get a palindrome (570774707477075).

The spelling of 440432304243031 in words is "four hundred forty trillion, four hundred thirty-two billion, three hundred four million, two hundred forty-three thousand, thirty-one".