256236324202 has 4 divisors (see below), whose sum is σ = 384354486306. Its totient is φ = 128118162100.

The previous prime is 256236324199. The next prime is 256236324233. The reversal of 256236324202 is 202423632652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 208327432041 + 47908892161 = 456429^2 + 218881^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64059081049 + ... + 64059081052.

Almost surely, 2^256236324202 is an apocalyptic number.

256236324202 is a deficient number, since it is larger than the sum of its proper divisors (128118162104).

256236324202 is a wasteful number, since it uses less digits than its factorization.

256236324202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128118162103.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 256236324202 its reverse (202423632652), we get a palindrome (458659956854).

The spelling of 256236324202 in words is "two hundred fifty-six billion, two hundred thirty-six million, three hundred twenty-four thousand, two hundred two".