256248600 has 48 divisors (see below), whose sum is σ = 794372520. Its totient is φ = 68332800.

The previous prime is 256248571. The next prime is 256248607. The reversal of 256248600 is 6842652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256248607) 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, 212941 + ... + 214140.

Almost surely, 2^256248600 is an apocalyptic number.

256248600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256248600 is an abundant number, since it is smaller than the sum of its proper divisors (538123920).

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

256248600 is a wasteful number, since it uses less digits than its factorization.

256248600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427100 (or 427091 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 256248600 is about 16007.7668648691. The cubic root of 256248600 is about 635.1658896572.

The spelling of 256248600 in words is "two hundred fifty-six million, two hundred forty-eight thousand, six hundred".