424194855 has 80 divisors (see below), whose sum is σ = 845174784. Its totient is φ = 177785280.

The previous prime is 424194851. The next prime is 424194887. The reversal of 424194855 is 558491424.

It is not a de Polignac number, because 424194855 - 2² = 424194851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424194851) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13683690 + ... + 13683720.

Almost surely, 2^424194855 is an apocalyptic number.

424194855 is a deficient number, since it is larger than the sum of its proper divisors (420979929).

424194855 is an frugal number, since it uses more digits than its factorization.

424194855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 65 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 424194855 is about 20595.9912361605. The cubic root of 424194855 is about 751.3722167194.

It can be divided in two parts, 42419 and 4855, that added together give a palindrome (47274).

The spelling of 424194855 in words is "four hundred twenty-four million, one hundred ninety-four thousand, eight hundred fifty-five".