256678124700 has 36 divisors (see below), whose sum is σ = 742655375000. Its totient is φ = 68447499840.

The previous prime is 256678124683. The next prime is 256678124707. The reversal of 256678124700 is 7421876652.

It is a self number, because there is not a number n which added to its sum of digits gives 256678124700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256678124707) 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, 427796575 + ... + 427797174.

Almost surely, 2^256678124700 is an apocalyptic number.

256678124700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256678124700 is an abundant number, since it is smaller than the sum of its proper divisors (485977250300).

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

256678124700 is a wasteful number, since it uses less digits than its factorization.

256678124700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855593766 (or 855593759 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 256678124700 in words is "two hundred fifty-six billion, six hundred seventy-eight million, one hundred twenty-four thousand, seven hundred".