428800255 has 8 divisors (see below), whose sum is σ = 554141952. Its totient is φ = 316652448.

The previous prime is 428800217. The next prime is 428800261. The reversal of 428800255 is 552008824.

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 428800255 - 2¹¹ = 428798207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 428800255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3298399 + ... + 3298528.

It is an arithmetic number, because the mean of its divisors is an integer number (69267744).

Almost surely, 2^428800255 is an apocalyptic number.

428800255 is a deficient number, since it is larger than the sum of its proper divisors (125341697).

428800255 is a wasteful number, since it uses less digits than its factorization.

428800255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596945.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 428800255 is about 20707.4927260642. The cubic root of 428800255 is about 754.0816018881.

The spelling of 428800255 in words is "four hundred twenty-eight million, eight hundred thousand, two hundred fifty-five".