424105505 has 8 divisors (see below), whose sum is σ = 509045352. Its totient is φ = 339205248.

The previous prime is 424105499. The next prime is 424105529. The reversal of 424105505 is 505501424.

It can be written as a sum of positive squares in 4 ways, for example, as 156325009 + 267780496 = 12503^2 + 16364^2 .

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 424105505 - 2¹⁴ = 424089121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24629 + ... + 38141.

It is an arithmetic number, because the mean of its divisors is an integer number (63630669).

Almost surely, 2^424105505 is an apocalyptic number.

It is an amenable number.

424105505 is a deficient number, since it is larger than the sum of its proper divisors (84939847).

424105505 is a wasteful number, since it uses less digits than its factorization.

424105505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19795.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 424105505 is about 20593.8220104963. The cubic root of 424105505 is about 751.3194580866.

Adding to 424105505 its reverse (505501424), we get a palindrome (929606929).

The spelling of 424105505 in words is "four hundred twenty-four million, one hundred five thousand, five hundred five".