255335864 has 48 divisors (see below), whose sum is σ = 570538080. Its totient is φ = 106753920.

The previous prime is 255335863. The next prime is 255335881. The reversal of 255335864 is 468533552.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255335863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8129 + ... + 24015.

It is an arithmetic number, because the mean of its divisors is an integer number (11886210).

Almost surely, 2^255335864 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 255335864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285269040).

255335864 is an abundant number, since it is smaller than the sum of its proper divisors (315202216).

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

255335864 is a wasteful number, since it uses less digits than its factorization.

255335864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15948 (or 15937 counting only the distinct ones).

The product of its digits is 432000, while the sum is 41.

The square root of 255335864 is about 15979.2322719210. The cubic root of 255335864 is about 634.4108566336.

The spelling of 255335864 in words is "two hundred fifty-five million, three hundred thirty-five thousand, eight hundred sixty-four".