255769488 has 400 divisors, whose sum is σ = 907441920. Its totient is φ = 68677632.

The previous prime is 255769463. The next prime is 255769513. The reversal of 255769488 is 884967552.

255769488 is a `hidden beast` number, since 2 + 557 + 6 + 9 + 4 + 88 = 666.

255769488 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (255769463) and next prime (255769513).

It is a Harshad number since it is a multiple of its sum of digits (54).

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 79 ways as a sum of consecutive naturals, for example, 5441881 + ... + 5441927.

Almost surely, 2^255769488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255769488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453720960).

255769488 is an abundant number, since it is smaller than the sum of its proper divisors (651672432).

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

255769488 is a wasteful number, since it uses less digits than its factorization.

255769488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 101 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 255769488 is about 15992.7948776941. The cubic root of 255769488 is about 634.7697828320.

The spelling of 255769488 in words is "two hundred fifty-five million, seven hundred sixty-nine thousand, four hundred eighty-eight".