440120212051543 has 8 divisors (see below), whose sum is σ = 446724071628800. Its totient is φ = 433517378979960.

The previous prime is 440120212051493. The next prime is 440120212051547. The reversal of 440120212051543 is 345150212021044.

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

It is a cyclic number.

It is not a de Polignac number, because 440120212051543 - 2²⁹ = 440119675180631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440120212051499 and 440120212051508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440120212051547) 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, 255762453 + ... + 257477518.

It is an arithmetic number, because the mean of its divisors is an integer number (55840508953600).

Almost surely, 2^{440120212051543} is an apocalyptic number.

440120212051543 is a deficient number, since it is larger than the sum of its proper divisors (6603859577257).

440120212051543 is a wasteful number, since it uses less digits than its factorization.

440120212051543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513252837.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 440120212051543 its reverse (345150212021044), we get a palindrome (785270424072587).

The spelling of 440120212051543 in words is "four hundred forty trillion, one hundred twenty billion, two hundred twelve million, fifty-one thousand, five hundred forty-three".