256010534356 has 6 divisors (see below), whose sum is σ = 448018435130. Its totient is φ = 128005267176.

The previous prime is 256010534291. The next prime is 256010534357. The reversal of 256010534356 is 653435010652.

It can be written as a sum of positive squares in only one way, i.e., 194054346256 + 61956188100 = 440516^2 + 248910^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256010534357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32001316791 + ... + 32001316798.

Almost surely, 2^256010534356 is an apocalyptic number.

It is an amenable number.

256010534356 is a deficient number, since it is larger than the sum of its proper divisors (192007900774).

256010534356 is a wasteful number, since it uses less digits than its factorization.

256010534356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64002633593 (or 64002633591 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 256010534356 in words is "two hundred fifty-six billion, ten million, five hundred thirty-four thousand, three hundred fifty-six".