256032851000 has 64 divisors (see below), whose sum is σ = 619776144000. Its totient is φ = 98881641600.

The previous prime is 256032850993. The next prime is 256032851077. The reversal of 256032851000 is 158230652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4385360 + ... + 4443359.

It is an arithmetic number, because the mean of its divisors is an integer number (9684002250).

Almost surely, 2^256032851000 is an apocalyptic number.

256032851000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256032851000 is an abundant number, since it is smaller than the sum of its proper divisors (363743293000).

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

256032851000 is a wasteful number, since it uses less digits than its factorization.

256032851000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8828769 (or 8828755 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 256032851000 in words is "two hundred fifty-six billion, thirty-two million, eight hundred fifty-one thousand".