255350784 has 192 divisors, whose sum is σ = 770515200. Its totient is φ = 74612736.

The previous prime is 255350759. The next prime is 255350789. The reversal of 255350784 is 487053552.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255350789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1836987 + ... + 1837125.

It is an arithmetic number, because the mean of its divisors is an integer number (4013100).

Almost surely, 2^255350784 is an apocalyptic number.

255350784 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 255350784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385257600).

255350784 is an abundant number, since it is smaller than the sum of its proper divisors (515164416).

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

255350784 is a wasteful number, since it uses less digits than its factorization.

255350784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 255350784 is about 15979.6991210723. The cubic root of 255350784 is about 634.4232132025.

255350784 divided by its sum of digits (39) gives a palindrome (6547456).

The spelling of 255350784 in words is "two hundred fifty-five million, three hundred fifty thousand, seven hundred eighty-four".