255641650 has 24 divisors (see below), whose sum is σ = 518721264. Its totient is φ = 92960400.

The previous prime is 255641647. The next prime is 255641651. The reversal of 255641650 is 56146552.

255641650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (255641651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231852 + ... + 232951.

It is an arithmetic number, because the mean of its divisors is an integer number (21613386).

Almost surely, 2^255641650 is an apocalyptic number.

255641650 is an abundant number, since it is smaller than the sum of its proper divisors (263079614).

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

255641650 is a wasteful number, since it uses less digits than its factorization.

255641650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464826 (or 464821 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 255641650 is about 15988.7976408484. The cubic root of 255641650 is about 634.6640089135.

The spelling of 255641650 in words is "two hundred fifty-five million, six hundred forty-one thousand, six hundred fifty".