1428000255 has 72 divisors (see below), whose sum is σ = 2880901296. Its totient is φ = 651594240.

The previous prime is 1428000247. The next prime is 1428000269. The reversal of 1428000255 is 5520008241.

It is a happy number.

It is not a de Polignac number, because 1428000255 - 2³ = 1428000247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 84852 + ... + 100278.

It is an arithmetic number, because the mean of its divisors is an integer number (40012518).

Almost surely, 2^1428000255 is an apocalyptic number.

1428000255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1428000255 is an abundant number, since it is smaller than the sum of its proper divisors (1452901041).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1428000255 is a wasteful number, since it uses less digits than its factorization.

1428000255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15477 (or 15463 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1428000255 is about 37788.8906293900. The cubic root of 1428000255 is about 1126.0977610625.

Adding to 1428000255 its reverse (5520008241), we get a palindrome (6948008496).

The spelling of 1428000255 in words is "one billion, four hundred twenty-eight million, two hundred fifty-five", and thus it is an aban number.