255009384 has 160 divisors (see below), whose sum is σ = 864578880. Its totient is φ = 68553216.

The previous prime is 255009373. The next prime is 255009389. The reversal of 255009384 is 483900552.

255009384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (255009389) 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 39 ways as a sum of consecutive naturals, for example, 75459 + ... + 78765.

It is an arithmetic number, because the mean of its divisors is an integer number (5403618).

Almost surely, 2^255009384 is an apocalyptic number.

255009384 is a gapful number since it is divisible by the number (24) 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 255009384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432289440).

255009384 is an abundant number, since it is smaller than the sum of its proper divisors (609569496).

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

255009384 is a wasteful number, since it uses less digits than its factorization.

255009384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349 (or 3336 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 255009384 is about 15969.0132444056. The cubic root of 255009384 is about 634.1403491359.

The spelling of 255009384 in words is "two hundred fifty-five million, nine thousand, three hundred eighty-four".