424440343205 has 4 divisors (see below), whose sum is σ = 509328411852. Its totient is φ = 339552274560.

The previous prime is 424440343181. The next prime is 424440343231. The reversal of 424440343205 is 502343044424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 302501100001 + 121939243204 = 550001^2 + 349198^2 .

It is not a de Polignac number, because 424440343205 - 2⁶ = 424440343141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42444034316 + ... + 42444034325.

It is an arithmetic number, because the mean of its divisors is an integer number (127332102963).

Almost surely, 2^424440343205 is an apocalyptic number.

It is an amenable number.

424440343205 is a deficient number, since it is larger than the sum of its proper divisors (84888068647).

424440343205 is an equidigital number, since it uses as much as digits as its factorization.

424440343205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84888068646.

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 424440343205 its reverse (502343044424), we get a palindrome (926783387629).

The spelling of 424440343205 in words is "four hundred twenty-four billion, four hundred forty million, three hundred forty-three thousand, two hundred five".