424400255 has 8 divisors (see below), whose sum is σ = 531423072. Its totient is φ = 324758368.

The previous prime is 424400243. The next prime is 424400279. The reversal of 424400255 is 552004424.

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 424400255 - 2¹⁴ = 424383871 is a prime.

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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845104 + ... + 1845333.

It is an arithmetic number, because the mean of its divisors is an integer number (66427884).

Almost surely, 2^424400255 is an apocalyptic number.

424400255 is a deficient number, since it is larger than the sum of its proper divisors (107022817).

424400255 is a wasteful number, since it uses less digits than its factorization.

424400255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690465.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 424400255 is about 20600.9770399367. The cubic root of 424400255 is about 751.4934714906.

Adding to 424400255 its reverse (552004424), we get a palindrome (976404679).

The spelling of 424400255 in words is "four hundred twenty-four million, four hundred thousand, two hundred fifty-five".