255995008 has 64 divisors (see below), whose sum is σ = 528376320. Its totient is φ = 123448320.

The previous prime is 255994987. The next prime is 255995009. The reversal of 255995008 is 800599552.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (255995009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904435 + ... + 904717.

It is an arithmetic number, because the mean of its divisors is an integer number (8255880).

Almost surely, 2^255995008 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 255995008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264188160).

255995008 is an abundant number, since it is smaller than the sum of its proper divisors (272381312).

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

255995008 is a wasteful number, since it uses less digits than its factorization.

255995008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 43.

The square root of 255995008 is about 15999.8439992395. The cubic root of 255995008 is about 634.9562935177.

The spelling of 255995008 in words is "two hundred fifty-five million, nine hundred ninety-five thousand, eight".