256696300 has 54 divisors (see below), whose sum is σ = 647987172. Its totient is φ = 88008480.

The previous prime is 256696249. The next prime is 256696301. The reversal of 256696300 is 3696652.

It is a self number, because there is not a number n which added to its sum of digits gives 256696300.

It is not an unprimeable number, because it can be changed into a prime (256696301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21294 + ... + 31093.

Almost surely, 2^256696300 is an apocalyptic number.

256696300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256696300 is an abundant number, since it is smaller than the sum of its proper divisors (391290872).

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

256696300 is a wasteful number, since it uses less digits than its factorization.

256696300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52415 (or 52401 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 256696300 is about 16021.7445991378. The cubic root of 256696300 is about 635.5355805516.

The spelling of 256696300 in words is "two hundred fifty-six million, six hundred ninety-six thousand, three hundred".