255162880 has 160 divisors (see below), whose sum is σ = 724775040. Its totient is φ = 84295680.

The previous prime is 255162839. The next prime is 255162883. The reversal of 255162880 is 88261552.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255162883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519435 + ... + 519925.

It is an arithmetic number, because the mean of its divisors is an integer number (4529844).

Almost surely, 2^255162880 is an apocalyptic number.

255162880 is a gapful number since it is divisible by the number (20) 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 255162880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362387520).

255162880 is an abundant number, since it is smaller than the sum of its proper divisors (469612160).

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

255162880 is an equidigital number, since it uses as much as digits as its factorization.

255162880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 255162880 is about 15973.8185791626. The cubic root of 255162880 is about 634.2675581587.

The spelling of 255162880 in words is "two hundred fifty-five million, one hundred sixty-two thousand, eight hundred eighty".