256332646042036 has 12 divisors (see below), whose sum is σ = 448595677815012. Its totient is φ = 128162452380608.

The previous prime is 256332646042021. The next prime is 256332646042051. The reversal of 256332646042036 is 630240646233652.

It is an interprime number because it is at equal distance from previous prime (256332646042021) and next prime (256332646042051).

It can be written as a sum of positive squares in 2 ways, for example, as 53830923345936 + 202501722696100 = 7336956^2 + 14230310^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967511095 + ... + 967775998.

It is an arithmetic number, because the mean of its divisors is an integer number (37382973151251).

Almost surely, 2^{256332646042036} is an apocalyptic number.

It is an amenable number.

256332646042036 is a deficient number, since it is larger than the sum of its proper divisors (192263031772976).

256332646042036 is a wasteful number, since it uses less digits than its factorization.

256332646042036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935320210 (or 1935320208 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 52.

The spelling of 256332646042036 in words is "two hundred fifty-six trillion, three hundred thirty-two billion, six hundred forty-six million, forty-two thousand, thirty-six".