256274403116 has 12 divisors (see below), whose sum is σ = 448486278240. Its totient is φ = 128135466480.

The previous prime is 256274403083. The next prime is 256274403157. The reversal of 256274403116 is 611304472652.

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, 66980 + ... + 719051.

It is an arithmetic number, because the mean of its divisors is an integer number (37373856520).

Almost surely, 2^256274403116 is an apocalyptic number.

It is an amenable number.

256274403116 is a deficient number, since it is larger than the sum of its proper divisors (192211875124).

256274403116 is a wasteful number, since it uses less digits than its factorization.

256274403116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867544 (or 867542 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

Adding to 256274403116 its reverse (611304472652), we get a palindrome (867578875768).

The spelling of 256274403116 in words is "two hundred fifty-six billion, two hundred seventy-four million, four hundred three thousand, one hundred sixteen".