255209472 has 312 divisors, whose sum is σ = 899568384. Its totient is φ = 68124672.

The previous prime is 255209443. The next prime is 255209473. The reversal of 255209472 is 274902552.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255209473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5935083 + ... + 5935125.

It is an arithmetic number, because the mean of its divisors is an integer number (2883232).

Almost surely, 2^255209472 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 255209472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449784192).

255209472 is an abundant number, since it is smaller than the sum of its proper divisors (644358912).

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

255209472 is a wasteful number, since it uses less digits than its factorization.

255209472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 255209472 is about 15975.2768990087. The cubic root of 255209472 is about 634.3061609465.

The spelling of 255209472 in words is "two hundred fifty-five million, two hundred nine thousand, four hundred seventy-two".