263605062256 has 20 divisors (see below), whose sum is σ = 513408818304. Its totient is φ = 131112464000.

The previous prime is 263605062251. The next prime is 263605062377. The reversal of 263605062256 is 652260506362.

It is a super-3 number, since 3×263605062256³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263605062251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43126045 + ... + 43132156.

Almost surely, 2^263605062256 is an apocalyptic number.

It is an amenable number.

263605062256 is a deficient number, since it is larger than the sum of its proper divisors (249803756048).

263605062256 is a wasteful number, since it uses less digits than its factorization.

263605062256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86258400 (or 86258394 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 263605062256 in words is "two hundred sixty-three billion, six hundred five million, sixty-two thousand, two hundred fifty-six".