440142444221343 has 8 divisors (see below), whose sum is σ = 586870836206256. Its totient is φ = 293421174192000.

The previous prime is 440142444221327. The next prime is 440142444221371. The reversal of 440142444221343 is 343122444241044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 440142444221343 - 2⁴ = 440142444221327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440142444221295 and 440142444221304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440142444221393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1780344688 + ... + 1780591893.

It is an arithmetic number, because the mean of its divisors is an integer number (73358854525782).

Almost surely, 2^{440142444221343} is an apocalyptic number.

440142444221343 is a deficient number, since it is larger than the sum of its proper divisors (146728391984913).

440142444221343 is a wasteful number, since it uses less digits than its factorization.

440142444221343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560977785.

The product of its (nonzero) digits is 1179648, while the sum is 42.

Adding to 440142444221343 its reverse (343122444241044), we get a palindrome (783264888462387).

The spelling of 440142444221343 in words is "four hundred forty trillion, one hundred forty-two billion, four hundred forty-four million, two hundred twenty-one thousand, three hundred forty-three".