424456855 has 4 divisors (see below), whose sum is σ = 509348232. Its totient is φ = 339565480.

The previous prime is 424456841. The next prime is 424456873. The reversal of 424456855 is 558654424.

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

It is not a de Polignac number, because 424456855 - 2¹⁹ = 423932567 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, 42445681 + ... + 42445690.

It is an arithmetic number, because the mean of its divisors is an integer number (127337058).

Almost surely, 2^424456855 is an apocalyptic number.

424456855 is a deficient number, since it is larger than the sum of its proper divisors (84891377).

424456855 is an equidigital number, since it uses as much as digits as its factorization.

424456855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84891376.

The product of its digits is 768000, while the sum is 43.

The square root of 424456855 is about 20602.3507153917. The cubic root of 424456855 is about 751.5268775652.

The spelling of 424456855 in words is "four hundred twenty-four million, four hundred fifty-six thousand, eight hundred fifty-five".