424403440032205 has 24 divisors (see below), whose sum is σ = 513338224878504. Its totient is φ = 336837071692800.

The previous prime is 424403440032193. The next prime is 424403440032251. The reversal of 424403440032205 is 502230044304424.

It can be written as a sum of positive squares in 12 ways, for example, as 110161271859076 + 314242168173129 = 10495774^2 + 17726877^2 .

It is a de Polignac number, because none of the positive numbers 2^k-424403440032205 is a prime.

It is a super-2 number, since 2×424403440032205² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70799545 + ... + 76559665.

It is an arithmetic number, because the mean of its divisors is an integer number (21389092703271).

Almost surely, 2^{424403440032205} is an apocalyptic number.

It is an amenable number.

424403440032205 is a deficient number, since it is larger than the sum of its proper divisors (88934784846299).

424403440032205 is an equidigital number, since it uses as much as digits as its factorization.

424403440032205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5760865 (or 5760636 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 37.

Adding to 424403440032205 its reverse (502230044304424), we get a palindrome (926633484336629).

The spelling of 424403440032205 in words is "four hundred twenty-four trillion, four hundred three billion, four hundred forty million, thirty-two thousand, two hundred five".