255128049984 has 56 divisors (see below), whose sum is σ = 714733737408. Its totient is φ = 80040171520.

The previous prime is 255128049961. The next prime is 255128049991. The reversal of 255128049984 is 489940821552.

255128049984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39078852 + ... + 39085379.

Almost surely, 2^255128049984 is an apocalyptic number.

255128049984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

255128049984 is an abundant number, since it is smaller than the sum of its proper divisors (459605687424).

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

255128049984 is a wasteful number, since it uses less digits than its factorization.

255128049984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78164263 (or 78164253 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 57.

The spelling of 255128049984 in words is "two hundred fifty-five billion, one hundred twenty-eight million, forty-nine thousand, nine hundred eighty-four".