256205950 has 96 divisors (see below), whose sum is σ = 639959040. Its totient is φ = 73699200.

The previous prime is 256205941. The next prime is 256205951. The reversal of 256205950 is 59502652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256205951) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47491 + ... + 52609.

It is an arithmetic number, because the mean of its divisors is an integer number (6666240).

Almost surely, 2^256205950 is an apocalyptic number.

256205950 is an abundant number, since it is smaller than the sum of its proper divisors (383753090).

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

256205950 is a wasteful number, since it uses less digits than its factorization.

256205950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162 (or 5157 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 256205950 is about 16006.4346436051. The cubic root of 256205950 is about 635.1306487124.

The spelling of 256205950 in words is "two hundred fifty-six million, two hundred five thousand, nine hundred fifty".