256502276 has 6 divisors (see below), whose sum is σ = 448878990. Its totient is φ = 128251136.

The previous prime is 256502263. The next prime is 256502291. The reversal of 256502276 is 672205652.

It can be written as a sum of positive squares in only one way, i.e., 213861376 + 42640900 = 14624^2 + 6530^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32062781 + ... + 32062788.

It is an arithmetic number, because the mean of its divisors is an integer number (74813165).

Almost surely, 2^256502276 is an apocalyptic number.

It is an amenable number.

256502276 is a deficient number, since it is larger than the sum of its proper divisors (192376714).

256502276 is a wasteful number, since it uses less digits than its factorization.

256502276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64125573 (or 64125571 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 256502276 is about 16015.6884335329. The cubic root of 256502276 is about 635.3754169181.

The spelling of 256502276 in words is "two hundred fifty-six million, five hundred two thousand, two hundred seventy-six".