255250650 has 96 divisors (see below), whose sum is σ = 653583168. Its totient is φ = 65894400.

The previous prime is 255250627. The next prime is 255250669. The reversal of 255250650 is 56052552.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 770985 + ... + 771315.

It is an arithmetic number, because the mean of its divisors is an integer number (6808158).

Almost surely, 2^255250650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255250650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326791584).

255250650 is an abundant number, since it is smaller than the sum of its proper divisors (398332518).

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

255250650 is a wasteful number, since it uses less digits than its factorization.

255250650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 255250650 is about 15976.5656509777. The cubic root of 255250650 is about 634.3402741715.

The spelling of 255250650 in words is "two hundred fifty-five million, two hundred fifty thousand, six hundred fifty".