255197488 has 120 divisors (see below), whose sum is σ = 629730528. Its totient is φ = 99574272.

The previous prime is 255197441. The next prime is 255197497. The reversal of 255197488 is 884791552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3495820 + ... + 3495892.

Almost surely, 2^255197488 is an apocalyptic number.

255197488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255197488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314865264).

255197488 is an abundant number, since it is smaller than the sum of its proper divisors (374533040).

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

255197488 is an frugal number, since it uses more digits than its factorization.

255197488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 95 counting only the distinct ones).

The product of its digits is 806400, while the sum is 49.

The square root of 255197488 is about 15974.9018150347. The cubic root of 255197488 is about 634.2962323129.

The spelling of 255197488 in words is "two hundred fifty-five million, one hundred ninety-seven thousand, four hundred eighty-eight".