255072128 has 32 divisors (see below), whose sum is σ = 510150960. Its totient is φ = 127034368.

The previous prime is 255072127. The next prime is 255072161. The reversal of 255072128 is 821270552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 255072094 and 255072103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255072121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29876 + ... + 37452.

Almost surely, 2^255072128 is an apocalyptic number.

It is an amenable number.

255072128 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

255072128 is an equidigital number, since it uses as much as digits as its factorization.

255072128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7854 (or 7842 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 255072128 is about 15970.9776782763. The cubic root of 255072128 is about 634.1923540709.

The spelling of 255072128 in words is "two hundred fifty-five million, seventy-two thousand, one hundred twenty-eight".