255403152 has 80 divisors (see below), whose sum is σ = 735845760. Its totient is φ = 84816000.

The previous prime is 255403151. The next prime is 255403163. The reversal of 255403152 is 251304552.

It is a happy number.

255403152 is a `hidden beast` number, since 255 + 403 + 1 + 5 + 2 = 666.

255403152 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 (27).

It is not an unprimeable number, because it can be changed into a prime (255403151) 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, 133402 + ... + 135302.

It is an arithmetic number, because the mean of its divisors is an integer number (9198072).

Almost surely, 2^255403152 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 255403152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367922880).

255403152 is an abundant number, since it is smaller than the sum of its proper divisors (480442608).

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

255403152 is a wasteful number, since it uses less digits than its factorization.

255403152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 255403152 is about 15981.3376161071. The cubic root of 255403152 is about 634.4665799565.

The spelling of 255403152 in words is "two hundred fifty-five million, four hundred three thousand, one hundred fifty-two".